1 // RUN: %clang_cc1 \
2 // RUN:     -fms-compatibility -x c++-cpp-output \
3 // RUN:     -ffreestanding -fsyntax-only -Werror \
4 // RUN:     %s -verify
5 
6 
7 # 1 "t.cpp"
8 # 1 "query.h" 1 3 4
9 // MS header <query.h> uses operator keyword as field name.
10 // Compile without syntax errors.
11 struct tagRESTRICTION
12   {
13    union _URes
14      {
15        int or; // Note use of cpp operator token
16      } res;
17   };
18    ;
19 
aa(int x)20 int aa ( int x)
21 {
22   // In system header code, treat operator keyword as identifier.
23   if ( // expected-note{{to match this '('}}
24     x>1 or x<0) return 1; // expected-error{{expected ')'}}
25   else return 0;
26 }
27 
28