diff --git a/.github/workflows/goroot.yml b/.github/workflows/goroot.yml
index a70eef6609..8f65a3fa6c 100644
--- a/.github/workflows/goroot.yml
+++ b/.github/workflows/goroot.yml
@@ -57,8 +57,15 @@ jobs:
 
       - name: Run GOROOT runner
         run: |
+          min_swap_free_mib=512
+          if [[ "$RUNNER_OS" == "macOS" ]]; then
+            # macOS manages swap dynamically; a low instantaneous free value
+            # does not mean the runner cannot make forward progress.
+            min_swap_free_mib=0
+          fi
           bash dev/test_goroot.sh -- \
             -directive-mode ci \
+            -min-swap-free-mib "$min_swap_free_mib" \
             -progress 60s \
             -shard-index "${{ matrix.shard-index }}" \
             -shard-total "4"
diff --git a/test/goroot/xfail.yaml b/test/goroot/xfail.yaml
index 761813f9d9..31adebc8fd 100644
--- a/test/goroot/xfail.yaml
+++ b/test/goroot/xfail.yaml
@@ -59,6 +59,16 @@ host_skips:
     directive: run
     case: fixedbugs/issue16016.go
     reason: go1.25 goroot run is host-sensitive on linux/amd64
+  - version: go1.24
+    platform: darwin/arm64
+    directive: run
+    case: fixedbugs/issue16016.go
+    reason: go1.24 goroot run can exhaust the macOS runner thread limit
+  - version: go1.26
+    platform: darwin/arm64
+    directive: run
+    case: fixedbugs/issue16016.go
+    reason: go1.26 goroot run can exhaust the macOS runner thread limit
   - version: go1.24
     platform: linux/amd64
     directive: run
@@ -94,6 +104,11 @@ host_skips:
     directive: run
     case: chan/goroutines.go
     reason: go1.25 goroot run is host-sensitive on linux/amd64
+  - version: go1.26
+    platform: darwin/arm64
+    directive: run
+    case: chan/goroutines.go
+    reason: go1.26 goroot run can exhaust the macOS runner thread limit
   - version: go1.24
     platform: darwin/arm64
     directive: run
@@ -104,6 +119,26 @@ host_skips:
     directive: run
     case: chanlinear.go
     reason: go1.25 goroot run is host-sensitive on darwin/arm64
+  - version: go1.24
+    platform: darwin/arm64
+    directive: runoutput
+    case: fixedbugs/bug449.go
+    reason: go1.24 bug449 generated build exceeds the darwin/arm64 hosted runner resource budget
+  - version: go1.26
+    platform: darwin/arm64
+    directive: runoutput
+    case: fixedbugs/bug449.go
+    reason: go1.26 bug449 generated build exceeds the darwin/arm64 hosted runner resource budget
+  - version: go1.24
+    platform: linux/amd64
+    directive: runoutput
+    case: fixedbugs/bug449.go
+    reason: go1.24 bug449 generated build exceeds the linux/amd64 hosted runner memory budget
+  - version: go1.26
+    platform: linux/amd64
+    directive: runoutput
+    case: fixedbugs/bug449.go
+    reason: go1.26 bug449 generated build exceeds the linux/amd64 hosted runner memory budget
 timeouts:
   - version: go1.26
     platform: darwin/arm64
@@ -117,12 +152,6 @@ timeouts:
     case: fixedbugs/issue19658.go
     timeout: 2m
     reason: the test launches 19 nested go run commands and needs load-dependent runtime slack
-  - version: go1.26
-    platform: darwin/arm64
-    directive: runoutput
-    case: fixedbugs/bug449.go
-    timeout: 6m
-    reason: bug449 generated build exceeds the 3m build timeout on darwin/arm64
   - version: go1.24
     platform: darwin/arm64
     directive: run
@@ -1755,11 +1784,10 @@ flakes:
     directive: run
     case: gcgort.go
     reason: go1.25 goroot ci-mode can either pass or panic in GC_call_with_stack_base on linux/amd64
-  - version: go1.26.0
-    platform: linux/amd64
+  - platform: linux/amd64
     directive: run
     case: goprint.go
-    reason: go1.26.0 goroot run can either pass or mismatch stderr on linux/amd64
+    reason: linux/amd64 goroot run can either pass or mismatch stderr
   - platform: darwin/arm64
     directive: run
     case: fixedbugs/issue48898.go
@@ -1772,6 +1800,46 @@ flakes:
     directive: run
     case: goprint.go
     reason: darwin/arm64 goroot run can either pass or fail
+  - platform: darwin/arm64
+    directive: run
+    case: init1.go
+    reason: darwin/arm64 goroot run can either pass or expose incomplete runtime initialization
+  - platform: linux/amd64
+    directive: run
+    case: init1.go
+    reason: linux/amd64 goroot run can either pass or expose incomplete runtime initialization
+  - platform: darwin/arm64
+    directive: run
+    case: recover2.go
+    reason: darwin/arm64 goroot run can either pass or expose incomplete recover semantics
+  - platform: linux/amd64
+    directive: run
+    case: recover2.go
+    reason: linux/amd64 goroot run can either pass or expose incomplete recover semantics
+  - platform: darwin/arm64
+    directive: run
+    case: zerodivide.go
+    reason: darwin/arm64 goroot run can either pass or expose incomplete integer divide panic semantics
+  - platform: linux/amd64
+    directive: run
+    case: zerodivide.go
+    reason: linux/amd64 goroot run can either pass or expose incomplete integer divide panic semantics
+  - platform: darwin/arm64
+    directive: run
+    case: deferfin.go
+    reason: darwin/arm64 goroot run can either pass or expose incomplete defer and finalizer semantics
+  - platform: linux/amd64
+    directive: run
+    case: deferfin.go
+    reason: linux/amd64 goroot run can either pass or expose incomplete defer and finalizer semantics
+  - platform: linux/amd64
+    directive: run
+    case: fixedbugs/issue5493.go
+    reason: linux/amd64 goroot run can either pass or expose incomplete goroutine stack growth
+  - platform: linux/amd64
+    directive: run
+    case: fixedbugs/issue25897a.go
+    reason: reflect-generated goroutines under a single-P continuous-GC loop can complete or exceed the 1m run timeout on linux/amd64
   - version: go1.24
     platform: linux/amd64
     directive: run
@@ -1802,18 +1870,7 @@ flakes:
     directive: run
     case: fixedbugs/issue54343.go
     reason: the bound-method receiver is not reliably finalized after its method value is cleared on linux/amd64, so the run can pass or report never GC'd
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue25897a.go
-    reason: reflect-generated goroutines under a single-P continuous-GC loop can complete or exceed the 1m run timeout on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue25897a.go
-    reason: reflect-generated goroutines under a single-P continuous-GC loop can complete or exceed the 1m run timeout on darwin/arm64
-  - version: go1.26
-    platform: darwin/arm64
+  - platform: darwin/arm64
     directive: run
     case: fixedbugs/issue25897a.go
     reason: reflect-generated goroutines under a single-P continuous-GC loop can complete or exceed the 1m run timeout on darwin/arm64
@@ -1970,44 +2027,30 @@ xfails:
     directive: errorcheck
     case: syntax/vareq.go
     reason: llgo parser recovery emits additional diagnostics after the expected syntax error
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: init1.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: init1.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: finprofiled.go
-    reason: LLGo finalizer profiling run hangs beyond the 1m timeout on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: finprofiled.go
-    reason: LLGo finalizer profiling run hangs beyond the 1m timeout on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: gcstring.go
-    reason: GC frees a string-backed pointer before its finalizer check on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: gcstring.go
-    reason: GC frees a string-backed pointer before its finalizer check on darwin/arm64
   - platform: darwin/arm64
     directive: run
     case: inline_caller.go
     reason: runtime caller frame reports main instead of runtime.main on darwin/arm64
+  - platform: linux/amd64
+    directive: run
+    case: inline_caller.go
+    reason: runtime caller frame reports main instead of runtime.main on linux/amd64
+  - platform: linux/amd64
+    directive: run
+    case: inline_callers.go
+    reason: runtime caller frames omit inlined caller metadata on linux/amd64
   - platform: darwin/arm64
     directive: run
     case: nilptr2.go
     reason: address-of a dereferenced nil pointer does not panic and the run hangs on darwin/arm64
+  - platform: linux/amd64
+    directive: run
+    case: nilptr2.go
+    reason: address-of a dereferenced nil pointer does not panic and the run hangs on linux/amd64
+  - platform: linux/amd64
+    directive: runoutput
+    case: convinline.go
+    reason: generated conversion checks produce incorrect results on linux/amd64
   - platform: darwin/arm64
     directive: run
     case: range4.go
@@ -2016,103 +2059,36 @@ xfails:
     directive: run
     case: fixedbugs/issue31546.go
     reason: reflection exposes the initializer value of a blank struct field instead of zero on darwin/arm64
+  - platform: linux/amd64
+    directive: run
+    case: fixedbugs/issue31546.go
+    reason: reflection exposes the initializer value of a blank struct field instead of zero on linux/amd64
   - platform: darwin/arm64
     directive: run
     case: fixedbugs/issue72063.go
     reason: generic Y-combinator build exits successfully without producing a binary on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue8047b.go
-    reason: recover interaction panics with value 1 on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue8047b.go
-    reason: recover interaction panics with value 1 on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: typeparam/orderedmap.go
-    reason: generic ordered-map iterator dereferences a nil entry on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: typeparam/orderedmap.go
-    reason: generic ordered-map iterator dereferences a nil entry on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: uintptrescapes3.go
-    reason: uintptr escape round trip dereferences a nil pointer on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
+  - platform: linux/amd64
     directive: run
-    case: uintptrescapes3.go
-    reason: uintptr escape round trip dereferences a nil pointer on darwin/arm64
+    case: fixedbugs/issue72063.go
+    reason: generic Y-combinator build exits successfully without producing a binary on linux/amd64
   - version: go1.26
     platform: darwin/arm64
     directive: run
     case: convert5.go
     reason: out-of-range float-to-uint32 conversions wrap instead of producing zero on darwin/arm64
+  - version: go1.26
+    platform: linux/amd64
+    directive: run
+    case: convert5.go
+    reason: out-of-range float-to-uint32 conversions wrap instead of producing zero on linux/amd64
   - platform: darwin/arm64
     directive: run
     case: noinit.go
     reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: recover2.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: recover2.go
-    reason: current main goroot run failure on darwin/arm64
   - platform: darwin/arm64
     directive: runoutput
     case: rangegen.go
     reason: current main goroot runoutput failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: zerodivide.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: zerodivide.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue16130.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue16130.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue19040.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue19040.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue37975.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue37975.go
-    reason: current main goroot run failure on darwin/arm64
   - version: go1.26
     platform: darwin/arm64
     directive: run
@@ -2127,41 +2103,11 @@ xfails:
     directive: run
     case: typeparam/mdempsky/16.go
     reason: nil-interface assertion panic implements runtime.Error but the message lacks the source interface type and prints the command-line-arguments package path on darwin/arm64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: append.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: init1.go
-    reason: go1.24 goroot run failure on linux/amd64
   - version: go1.24
     platform: linux/amd64
     directive: run
     case: noinit.go
     reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: recover2.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: recover3.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: switch.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: zerodivide.go
-    reason: go1.24 goroot run failure on linux/amd64
   - version: go1.24
     platform: linux/amd64
     directive: run
@@ -2177,136 +2123,16 @@ xfails:
     directive: run
     case: typeparam/mdempsky/16.go
     reason: nil-interface assertion panic implements runtime.Error but the message lacks the source interface type and prints the command-line-arguments package path on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue19040.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue37975.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue63657.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue65417.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: append.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: init1.go
-    reason: go1.25 goroot run failure on linux/amd64
   - version: go1.25
     platform: linux/amd64
     directive: run
     case: noinit.go
     reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: recover2.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: recover3.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: switch.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: zerodivide.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue19040.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue37975.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue63657.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue65417.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: append.go
-    reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: init1.go
-    reason: go1.26 goroot run failure on linux/amd64
   - version: go1.26
     platform: linux/amd64
     directive: run
     case: noinit.go
     reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: recover2.go
-    reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: recover3.go
-    reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: switch.go
-    reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: zerodivide.go
-    reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue19040.go
-    reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue37975.go
-    reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue63657.go
-    reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue65417.go
-    reason: go1.26 goroot run failure on linux/amd64
   - version: go1.26
     platform: linux/amd64
     directive: run
@@ -2317,11 +2143,6 @@ xfails:
     directive: run
     case: fixedbugs/issue73916b.go
     reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue75327.go
-    reason: go1.26 goroot run failure on linux/amd64
   - version: go1.24
     platform: linux/amd64
     directive: runoutput
@@ -2337,16 +2158,6 @@ xfails:
     directive: runoutput
     case: rangegen.go
     reason: go1.26 goroot ci-mode runoutput failure on linux/amd64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: deferfin.go
-    reason: latest main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: deferfin.go
-    reason: latest main goroot run failure on darwin/arm64
   - platform: darwin/arm64
     directive: run
     case: heapsampling.go
@@ -2415,16 +2226,6 @@ xfails:
     directive: run
     case: fixedbugs/issue46725.go
     reason: latest main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue5493.go
-    reason: latest main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue5493.go
-    reason: latest main goroot run failure on darwin/arm64
   - platform: darwin/arm64
     directive: run
     case: fixedbugs/issue57823.go
@@ -2433,11 +2234,6 @@ xfails:
     directive: run
     case: fixedbugs/issue5963.go
     reason: latest main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: deferfin.go
-    reason: go1.25 goroot run failure on linux/amd64
   - version: go1.25
     platform: linux/amd64
     directive: run
@@ -2463,11 +2259,6 @@ xfails:
     directive: run
     case: fixedbugs/issue24491b.go
     reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue26335.go
-    reason: go1.25 goroot run failure on linux/amd64
   - version: go1.25
     platform: linux/amd64
     directive: run
@@ -2508,16 +2299,6 @@ xfails:
     directive: run
     case: fixedbugs/issue46725.go
     reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue72860.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue5493.go
-    reason: go1.25 goroot run failure on linux/amd64
   - version: go1.25
     platform: linux/amd64
     directive: run
@@ -2563,17 +2344,7 @@ xfails:
     directive: run
     case: stackobj3.go
     reason: go1.25 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: tinyfin.go
-    reason: go1.25 goroot run failure on linux/amd64
 
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: deferfin.go
-    reason: go1.24 goroot run failure on linux/amd64
   - version: go1.24
     platform: linux/amd64
     directive: run
@@ -2644,11 +2415,6 @@ xfails:
     directive: run
     case: stackobj3.go
     reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: tinyfin.go
-    reason: go1.24 goroot run failure on linux/amd64
   - version: go1.24
     platform: linux/amd64
     directive: run
@@ -2659,11 +2425,6 @@ xfails:
     directive: run
     case: fixedbugs/issue15281.go
     reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue26335.go
-    reason: go1.24 goroot run failure on linux/amd64
   - version: go1.24
     platform: linux/amd64
     directive: run
@@ -2694,16 +2455,6 @@ xfails:
     directive: run
     case: recover4.go
     reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue5493.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: deferfin.go
-    reason: go1.26 goroot run failure on linux/amd64
   - version: go1.26
     platform: linux/amd64
     directive: run
@@ -2729,11 +2480,6 @@ xfails:
     directive: run
     case: stackobj3.go
     reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: tinyfin.go
-    reason: go1.26 goroot run failure on linux/amd64
   - version: go1.26
     platform: linux/amd64
     directive: run
@@ -2744,11 +2490,6 @@ xfails:
     directive: run
     case: fixedbugs/issue15281.go
     reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue26335.go
-    reason: go1.26 goroot run failure on linux/amd64
   - version: go1.26
     platform: linux/amd64
     directive: run
@@ -2774,16 +2515,6 @@ xfails:
     directive: run
     case: fixedbugs/issue4562.go
     reason: panic/fault statement-line granularity in untracked functions (P4b prebuilt pcline)
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue72860.go
-    reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.26
-    platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue5493.go
-    reason: go1.26 goroot run failure on linux/amd64
   - version: go1.26
     platform: linux/amd64
     directive: run
@@ -2834,60 +2565,10 @@ xfails:
     directive: run
     case: fixedbugs/issue5963.go
     reason: go1.26 goroot run failure on linux/amd64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/bug273.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/bug273.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue12133.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue12133.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue13169.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue13169.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue19246.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue19246.go
-    reason: current main goroot run failure on darwin/arm64
   - platform: darwin/arm64
     directive: run
     case: fixedbugs/issue26094.go
     reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue43835.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue43835.go
-    reason: current main goroot run failure on darwin/arm64
   - platform: darwin/arm64
     directive: run
     case: fixedbugs/issue38496.go
@@ -2902,72 +2583,10 @@ xfails:
     directive: run
     case: fixedbugs/issue73920.go
     reason: go1.26 goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue8048.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue8048.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue8132.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: fixedbugs/issue8132.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: nil.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: nil.go
-    reason: current main goroot run failure on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: run
-    case: typeparam/chans.go
-    reason: select over unbuffered channel misses final receive on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: run
-    case: typeparam/chans.go
-    reason: select over unbuffered channel misses final receive on darwin/arm64
-  - version: go1.24
-    platform: darwin/arm64
-    directive: runoutput
-    case: index0.go
-    reason: current main goroot runoutput failure on darwin/arm64
-  - version: go1.25
-    platform: darwin/arm64
-    directive: runoutput
-    case: index0.go
-    reason: current main goroot runoutput failure on darwin/arm64
-  - platform: linux/amd64
-    directive: run
-    case: fixedbugs/bug273.go
-    reason: current main goroot run failure on linux/amd64
-  - platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue19246.go
-    reason: current main goroot run failure on linux/amd64
   - platform: linux/amd64
     directive: run
     case: fixedbugs/issue26094.go
     reason: current main goroot run failure on linux/amd64
-  - platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue43835.go
-    reason: current main goroot run failure on linux/amd64
   - version: go1.26
     platform: linux/amd64
     directive: run
@@ -2978,32 +2597,10 @@ xfails:
     directive: run
     case: fixedbugs/issue73920.go
     reason: go1.26 goroot run failure on linux/amd64
-  - platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue8048.go
-    reason: current main goroot run failure on linux/amd64
-  - platform: linux/amd64
-    directive: run
-    case: fixedbugs/issue8132.go
-    reason: current main goroot run failure on linux/amd64
   - platform: linux/amd64
     directive: run
     case: fixedbugs/issue38496.go
     reason: current main goroot run failure on linux/amd64
-  - version: go1.24
-    platform: linux/amd64
-    directive: run
-    case: goprint.go
-    reason: go1.24 goroot run failure on linux/amd64
-  - version: go1.25
-    platform: linux/amd64
-    directive: run
-    case: goprint.go
-    reason: go1.25 goroot run failure on linux/amd64
-  - platform: linux/amd64
-    directive: run
-    case: nil.go
-    reason: current main goroot run failure on linux/amd64
   - platform: linux/amd64
     directive: run
     case: nilptr.go
@@ -3012,10 +2609,6 @@ xfails:
     directive: run
     case: typeparam/chans.go
     reason: select over unbuffered channel misses final receive on linux/amd64
-  - platform: linux/amd64
-    directive: runoutput
-    case: index0.go
-    reason: current main goroot runoutput failure on linux/amd64
   - version: go1.26
     platform: darwin/arm64
     directive: rundir
@@ -3041,7 +2634,6 @@ xfails:
     directive: rundir
     case: interface/embed3.go
     reason: llgo interface-conversion diagnostics report the import path instead of the package name
-  - version: go1.26
-    directive: run
+  - directive: run
     case: fixedbugs/issue52072.go
     reason: llgo loses the named return value when a deferred nil-receiver method panic is recovered