Fix #10679 FP constParameter with const/nonconst overload (#3780)

Author: chrchr-github

lib/symboldatabase.cpp

@@ -7098,12 +7098,16 @@ ValueType::MatchResult ValueType::matchParameter(const ValueType *call, const Va
             return ValueType::MatchResult::FALLBACK2;
         return ValueType::MatchResult::NOMATCH; // TODO
     }
-    if (call->pointer > 0 && ((call->constness | func->constness) != func->constness))
-        return ValueType::MatchResult::NOMATCH;
+    if (call->pointer > 0) {
+        if ((call->constness | func->constness) != func->constness)
+            return ValueType::MatchResult::NOMATCH;
+        if (call->constness == 0 && func->constness != 0 && func->reference != Reference::None)
+            return ValueType::MatchResult::NOMATCH;
+    }
     if (call->type != func->type) {
         if (call->type == ValueType::Type::VOID || func->type == ValueType::Type::VOID)
             return ValueType::MatchResult::FALLBACK1;
-        if (call->pointer > 0 && func->pointer > 0)
+        if (call->pointer > 0)
             return func->type == ValueType::UNKNOWN_TYPE ? ValueType::MatchResult::UNKNOWN : ValueType::MatchResult::NOMATCH;
         if (call->isIntegral() && func->isIntegral())
             return call->type < func->type ?

test/testclass.cpp

@@ -6744,12 +6744,11 @@ class TestClass : public TestFixture {
                    "    void f(const char* const (&StrArr)[N]);\n"
                    "};\n"
                    "template<size_t N>\n"
-                   "void S::f(const std::array<std::string_view, N>&sv) {\n"
+                   "void S::f(const std::array<std::string_view, N>& sv) {\n"
                    "    const char* ptrs[N]{};\n"
                    "    return f(ptrs);\n"
                    "}\n"
-                   "template void S::f(const std::array<std::string_view, 3>&sv);\n"
-                   "\n");
+                   "template void S::f(const std::array<std::string_view, 3>& sv);\n");
         ASSERT_EQUALS("", errout.str());
     }
 

test/testother.cpp

@@ -2666,6 +2666,16 @@ class TestOther : public TestFixture {
               "    void f(Foo& foo) const { int* q = foo.get(); *q = j; }\n"
               "};\n");
         ASSERT_EQUALS("", errout.str());
+
+        check("struct S {\n" // #10679
+              "    void g(long L, const C*& PC) const;\n"
+              "    void g(long L, C*& PC);\n"
+              "};\n"
+              "void f(S& s) {\n"
+              "    C* PC{};\n"
+              "    s.g(0, PC);\n"
+              "};\n");
+        ASSERT_EQUALS("", errout.str());
     }
 
     void constParameterCallback() {