Update spec test suite submodule (#1984)

No changes here other than the submodule and snapshots.

Author: alexcrichton

tests/snapshots/testsuite/proposals/custom-page-sizes/custom-page-sizes.wast.json

@@ -613,7 +613,7 @@
           }
         ]
       },
-      "text": "out of bounds"
+      "text": "out of bounds memory access"
     },
     {
       "type": "assert_return",

tests/snapshots/testsuite/proposals/custom-page-sizes/memory_max.wast.json

@@ -15,45 +15,17 @@
       "module_type": "binary",
       "text": "unknown import"
     },
-    {
-      "type": "assert_unlinkable",
-      "line": 27,
-      "filename": "memory_max.2.wasm",
-      "module_type": "binary",
-      "text": "unknown import"
-    },
-    {
-      "type": "assert_unlinkable",
-      "line": 34,
-      "filename": "memory_max.3.wasm",
-      "module_type": "binary",
-      "text": "unknown import"
-    },
     {
       "type": "assert_malformed",
-      "line": 46,
-      "filename": "memory_max.4.wat",
-      "module_type": "text",
-      "text": "constant out of range"
-    },
-    {
-      "type": "assert_malformed",
-      "line": 51,
-      "filename": "memory_max.5.wat",
+      "line": 32,
+      "filename": "memory_max.2.wat",
       "module_type": "text",
       "text": "constant out of range"
     },
     {
       "type": "assert_invalid",
-      "line": 56,
-      "filename": "memory_max.6.wasm",
-      "module_type": "binary",
-      "text": "memory size must be at most"
-    },
-    {
-      "type": "assert_invalid",
-      "line": 62,
-      "filename": "memory_max.7.wasm",
+      "line": 37,
+      "filename": "memory_max.3.wasm",
       "module_type": "binary",
       "text": "memory size must be at most"
     }

tests/snapshots/testsuite/proposals/custom-page-sizes/memory_max_i64.wast.json

@@ -0,0 +1,33 @@
+{
+  "source_filename": "tests/testsuite/proposals/custom-page-sizes/memory_max_i64.wast",
+  "commands": [
+    {
+      "type": "assert_unlinkable",
+      "line": 13,
+      "filename": "memory_max_i64.0.wasm",
+      "module_type": "binary",
+      "text": "unknown import"
+    },
+    {
+      "type": "assert_unlinkable",
+      "line": 20,
+      "filename": "memory_max_i64.1.wasm",
+      "module_type": "binary",
+      "text": "unknown import"
+    },
+    {
+      "type": "assert_malformed",
+      "line": 32,
+      "filename": "memory_max_i64.2.wat",
+      "module_type": "text",
+      "text": "constant out of range"
+    },
+    {
+      "type": "assert_invalid",
+      "line": 37,
+      "filename": "memory_max_i64.3.wasm",
+      "module_type": "binary",
+      "text": "memory size must be at most"
+    }
+  ]
+}