Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/20040729-1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-dce3" } */ int foo () { volatile int *p; volatile int x; p = &x; *p = 3; return *p + 1; } /* The assignment to 'p' is dead and should be removed. But the compiler was mistakenly thinking that the statement had volatile operands. But 'p' itself is not volatile and taking the address of a volatile does not constitute a volatile operand. */ /* { dg-final { scan-tree-dump-times "&x" 0 "dce3"} } */