-Wmismatched-new-delete warning spam from CSSStyleValue.h

https://bugs.webkit.org/show_bug.cgi?id=241516

Patch by Michael Catanzaro <mcatanzaro@redhat.com> on 2022-06-21
Reviewed by Chris Dumez.

I cannot find any reason behind this warning. Mismatched new/delete is
very serious if true, but in this case, I just do not see it. If we are
doing something wrong, it must be somehow related to the iso heap, but
don't think we are.

* Source/WebCore/css/typedom/CSSStyleValue.h:

Canonical link: https://commits.webkit.org/251697@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@295692 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebCore/css/typedom/CSSStyleValue.h

@@ -110,7 +110,11 @@ class CSSStyleValue : public RefCounted<CSSStyleValue>, public ScriptWrappable {
 public:
     String toString() const;
     virtual void serialize(StringBuilder&, OptionSet<SerializationArguments> = { }) const;
+
+IGNORE_GCC_WARNINGS_BEGIN("mismatched-new-delete")
+    // https://webkit.org/b/241516
     virtual ~CSSStyleValue() = default;
+IGNORE_GCC_WARNINGS_END
 
     virtual CSSStyleValueType getType() const { return CSSStyleValueType::CSSStyleValue; }