Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/Wreturn-local-addr.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; static inline intptr_t return_addr_local_as_int (void) { int i; if ((intptr_t)&i == 0) __builtin_abort (); return (intptr_t)&i; } void get_addr_local_as_int (void) { intptr_t i = return_addr_local_as_int (); if (i == 0) __builtin_abort (); } static inline intptr_t return_addr_label_as_int (void) { label: if ((intptr_t)&&label == 0) __builtin_abort (); return (intptr_t)&&label; } void get_addr_label_as_int (void) { intptr_t i = return_addr_label_as_int (); if (i == 0) __builtin_abort (); } /* Verify that the functions that return the address of the label or local variable have been optimized away and so have the calls to abort. { dg-final { scan-tree-dump-not "return_addr_" "optimized" } } { dg-final { scan-tree-dump-not "abort" "optimized" } } */