Suppress dangling pointer warning by gcc

nobu · nobu · commit 9fddb8d954d3 · 2025-06-04T15:31:40.000+09:00
`__has_warning` is clang, not gcc.
diff --git a/thread.c b/thread.c
@@ -4742,7 +4742,7 @@ rb_gc_set_stack_end(VALUE **stack_end_p)
 {
     VALUE stack_end;
 COMPILER_WARNING_PUSH
-#if __has_warning("-Wdangling-pointer")
+#ifdef __GNUC__
 COMPILER_WARNING_IGNORED(-Wdangling-pointer);
 #endif
     *stack_end_p = &stack_end;

Original file line number	Diff line number	Diff line change
`@@ -4742,7 +4742,7 @@ rb_gc_set_stack_end(VALUE **stack_end_p)`
`4742`	`4742`	`{`
`4743`	`4743`	`VALUE stack_end;`
`4744`	`4744`	`COMPILER_WARNING_PUSH`
`4745`		`-#if __has_warning("-Wdangling-pointer")`
	`4745`	`+#ifdef __GNUC__`
`4746`	`4746`	`COMPILER_WARNING_IGNORED(-Wdangling-pointer);`
`4747`	`4747`	`#endif`
`4748`	`4748`	`*stack_end_p = &stack_end;`