fix PR6216

llvm-svn: 95185

clang/lib/Parse/ParseDeclCXX.cpp

@@ -942,6 +942,7 @@ void Parser::ParseClassSpecifier(tok::TokenKind TagTokKind,
     case tok::annot_cxxscope:     // struct foo {...} a::       b;
     case tok::annot_typename:     // struct foo {...} a         ::b;
     case tok::annot_template_id:  // struct foo {...} a<int>    ::b;
+    case tok::comma:              // __builtin_offsetof(struct foo{...} ,
     // Storage-class specifiers
     case tok::kw_static:          // struct foo {...} static    x;
     case tok::kw_extern:          // struct foo {...} extern    x;

clang/test/Parser/declarators.c

@@ -75,3 +75,8 @@ struct test9 {
 // PR6208
 struct test10 { int a; } static test10x;
 struct test11 { int a; } const test11x;
+
+// PR6216
+void test12() {
+  (void)__builtin_offsetof(struct { char c; int i; }, i);
+}