[Bug tree-optimization/107011] New: instruction with undefined behavior not optimized away
hiraditya at msn dot com
gcc-bugzilla@gcc.gnu.org
Thu Sep 22 20:01:59 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107011
Bug ID: 107011
Summary: instruction with undefined behavior not optimized away
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: hiraditya at msn dot com
Target Milestone: ---
#include<limits.h>
int main() {
return INT_MIN / -1;
}
$ gcc -O3
main:
mov eax, -2147483648
ret
$ clang -O3
main: # @main
ret
https://godbolt.org/z/393EMqs1E
PS: I reported this bug yesterday as well but for some reason it does not
appear in bugzilla so I'm creating another one.
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