clang/test/Parser/pragma-fp-contract.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 void f1(void) {
   4   int x = 0;
   5 /* expected-error@+1 {{'#pragma fp_contract' can only appear at file scope or at the start of a compound statement}} */
   6 #pragma STDC FP_CONTRACT ON
   7 }
   8
   9 void f2(void) {
  10   #pragma STDC FP_CONTRACT OFF
  11   #pragma STDC FP_CONTRACT ON
  12 }
  13
  14 struct S1 {
  15 // expected-error@+1 {{this pragma cannot appear in struct declaration}}
  16 #pragma STDC FP_CONTRACT ON
  17   float f1;
  18 };
  19
  20 union U1 {
  21   float f1;
  22   float f2;
  23 // expected-error@+1 {{this pragma cannot appear in union declaration}}
  24 #pragma STDC FP_CONTRACT ON
  25 };
  26
  27 class C1 {
  28   float f1;
  29 // expected-error@+1 {{this pragma cannot appear in class declaration}}
  30 #pragma STDC FP_CONTRACT ON
  31   float f2;
  32 };