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re PR rtl-optimization/85431 (UBSAN: ../../gcc/dse.c:303:15: runtime error: shift exponent 64 is too large for 64-bit type 'long unsigned int')

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PR rtl-optimization/85431
	* dse.c (record_store): Ignore zero width stores.

From-SVN: r259448
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Jakub Jelinek 2018-04-17 23:38:45 +02:00 committed by Jakub Jelinek
parent 3f586095d5
commit cbe679a486
2 changed files with 6 additions and 0 deletions
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gcc/ChangeLog
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@ -1,5 +1,8 @@
2018-04-17 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/85431
* dse.c (record_store): Ignore zero width stores.
PR sanitizer/85230
* asan.c (handle_builtin_stack_restore): Adjust comment. Emit
__asan_allocas_unpoison call and last_alloca_addr = new_sp before

3
gcc/dse.c
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@ -1417,6 +1417,9 @@ record_store (rtx body, bb_info_t bb_info)
return 0;
}
if (known_eq (width, 0))
return 0;
if (group_id >= 0)
{
/* In the restrictive case where the base is a constant or the