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1// RUN: %clang_cc1 -fsyntax-only -fblocks %s -verify2 3#define SUPPRESS1 __attribute__((suppress))4#define SUPPRESS2(...) __attribute__((suppress(__VA_ARGS__)))5 6SUPPRESS1 int global = 42;7 8SUPPRESS1 void foo() {9 SUPPRESS1 int *p; // no-warning10 11 SUPPRESS1 int a = 0; // no-warning12 SUPPRESS2()13 int b = 1; // no-warning14 SUPPRESS2("a")15 int c = a + b; // no-warning16 SUPPRESS2("a", "b") { b = c - a; } // no-warning17 18 SUPPRESS2("a", "b")19 if (b == 10)20 a += 4; // no-warning21 SUPPRESS1 while (1) {} // no-warning22 SUPPRESS1 switch (a) { // no-warning23 default:24 c -= 10;25 }26 27 // GNU-style attributes and C++11 attributes apply to different things when28 // written like this. GNU attribute gets attached to the declaration, while29 // C++11 attribute ends up on the type.30 int SUPPRESS2("r") z; // no-warning31 SUPPRESS2(foo) // no-warning32 float f;33 // expected-error@-2 {{expected string literal as argument of 'suppress' attribute}}34}35 36union SUPPRESS2("type.1") U { // no-warning37 int i;38 float f;39};40 41SUPPRESS1 @interface Test { // no-warning42}43@property SUPPRESS2("prop") int *prop; // no-warning44- (void)bar:(int)x SUPPRESS1; // no-warning45@end46