Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/Wmultistatement-macros-7.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* PR c/80116 */ /* { dg-options "-Wmultistatement-macros" } */ /* { dg-do compile } */ #define SWAP(X, Y) \ tmp = X; /* { dg-warning "macro expands to multiple statements" } */ \ X = Y; \ Y = tmp #define BODY_AND_IF(COND, X, Y) \ if (COND) SWAP (X, Y) /* { dg-message "in expansion of macro .SWAP." } */ void fn (int x, int y) { int tmp; BODY_AND_IF (1, x, y); /* { dg-message "in expansion of macro .BODY_AND_IF." } */ }