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view gcc/testsuite/gcc.dg/Walloca-7.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* { dg-do compile } */ /* { dg-require-effective-target alloca } */ /* { dg-options "-Walloca -O0" } */ extern void f(void *); void foo(void) { // Test that strict -Walloca works even without optimization. f (__builtin_alloca(500)); // { dg-warning "use of 'alloca'" } } void bar(void) { // Test that we warn on alloca() calls, not just __builtin_alloca calls. extern void *alloca(__SIZE_TYPE__); f (alloca (123)); // { dg-warning "use of 'alloca'" } }