[Flang] Allow using common::visit with Clang (#90137)

Allow using common::visit with Clang. Test plan: ninja check-all
llvm · Apr 26, 2024 · c2170a3 · c2170a3
1 parent 2804a79
commit c2170a3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/flang/include/flang/Common/visit.h b/flang/include/flang/Common/visit.h
@@ -88,7 +88,7 @@ inline RT_API_ATTRS auto visit(VISITOR &&visitor, VARIANT &&...u)
 // Some versions of clang have bugs that cause compilation to hang
 // on these templates.  MSVC and older GCC versions may work but are
 // not well tested.  So enable only for GCC 9 and better.
-#if __GNUC__ < 9
+#if __GNUC__ < 9 && !defined(__clang__)
 #define FLANG_USE_STD_VISIT
 #endif