erase_if g++-15 bug

Author: vinay-deshmukh

libcxx/test/std/containers/associative/multimap/multimap.erasure/erase_if.pass.cpp

@@ -89,7 +89,14 @@ int main(int, char**) {
   assert(test_erase());
 
 #if TEST_STD_VER >= 26
+#  ifndef TEST_COMPILER_GCC
+  // FIXME: Fails with g++-15 with:
+  // clang-format off
+  // __tree:116:23: error: ''result_decl' not supported by dump_expr<expression error>' is not a constant expression
+  // clang-format on
   static_assert(test_erase());
+#  endif
 #endif
+
   return 0;
 }