Only test on known good platforms. (#13123)

Merged-By: ioquatix <samuel@codeotaku.com>

ext/-test-/stack/stack.c

@@ -17,8 +17,19 @@ stack_alloca_overflow(VALUE self)
     return Qnil;
 }
 
+static VALUE
+asan_p(VALUE klass)
+{
+#if defined(__SANITIZE_ADDRESS__) || __has_feature(address_sanitizer)
+    return Qtrue;
+#else
+    return Qfalse;
+#endif
+}
+
 void
 Init_stack(VALUE klass)
 {
     rb_define_singleton_method(rb_cThread, "alloca_overflow", stack_alloca_overflow, 0);
+    rb_define_singleton_method(rb_cThread, "asan?", asan_p, 0);
 }

test/-ext-/stack/test_stack_overflow.rb

@@ -2,9 +2,15 @@
 require 'test/unit'
 
 class Test_StackOverflow < Test::Unit::TestCase
-  def test_proc_overflow
+  def setup
-    omit("Windows stack overflow handling is missing") if RUBY_PLATFORM =~ /mswin|win32|mingw/
+    omit "Stack overflow tests are not supported on this platform: #{RUBY_PLATFORM.inspect}" unless RUBY_PLATFORM =~ /x86_64-linux|darwin/
 
+    require '-test-/stack'
+
+    omit "Stack overflow tests are not supported with ASAN" if Thread.asan?
+  end
+
+  def test_overflow
     assert_separately([], <<~RUBY)
       # GC may try to scan the top of the stack and cause a SEGV.
       GC.disable
@@ -17,8 +23,6 @@ class Test_StackOverflow < Test::Unit::TestCase
   end
 
   def test_thread_stack_overflow
-    omit("Windows stack overflow handling is missing") if RUBY_PLATFORM =~ /mswin|win32|mingw/
-
     assert_separately([], <<~RUBY)
       require '-test-/stack'
       GC.disable
@@ -35,8 +39,6 @@ class Test_StackOverflow < Test::Unit::TestCase
   end
 
   def test_fiber_stack_overflow
-    omit("Windows stack overflow handling is missing") if RUBY_PLATFORM =~ /mswin|win32|mingw/
-
     assert_separately([], <<~RUBY)
       require '-test-/stack'
       GC.disable