clang/test/Frontend/macros.c

   1 // RUN: %clang_cc1 -DA= -DB=1 -verify -fsyntax-only %s
   2 // expected-no-diagnostics
   3
   4 int a[(B A) == 1 ? 1 : -1];
   5
   6
   7 // PR13747 - Don't warn about unused results with statement exprs in macros.
   8 void stuff(int,int,int);
   9 #define memset(x,y,z) ({ stuff(x,y,z); x; })
  10
  11 void foo(int a, int b, int c) {
  12   memset(a,b,c);  // No warning!
  13 }