Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/warn/Wreturn-local-addr-6.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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/* PR c/90737 - inconsistent address of a local converted to intptr_t between callee and caller { dg-do compile } { dg-options "-O1 -Wall -Wreturn-local-addr -fdump-tree-optimized" } */ typedef __INTPTR_TYPE__ intptr_t; const intptr_t& return_addr_label_as_intref (void) { label: if ((const intptr_t*)&&label == 0) __builtin_exit (1); return *(const intptr_t*)&&label; // { dg-warning "\\\[-Wreturn-local-addr]" } */ } const intptr_t& return_addr_local_as_intref (void) { int a[1]; if ((const intptr_t*)a == 0) __builtin_exit (1); return (const intptr_t&)a; // { dg-warning "\\\[-Wreturn-local-addr]" } */ } /* Verify that the return value has been replaced with zero: { dg-final { scan-tree-dump-times "return 0;" 2 "optimized" } } */