[Bug middle-end/101300] -fsanitize=undefined suppresses -Wuninitialized
cvs-commit at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Jul 20 19:10:35 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101300
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Sebor <msebor@gcc.gnu.org>:
https://gcc.gnu.org/g:e07d30fdcaec4906e0dcb948fc4748bf74c15c05
commit r12-2420-ge07d30fdcaec4906e0dcb948fc4748bf74c15c05
Author: Martin Sebor <msebor@redhat.com>
Date: Tue Jul 20 13:08:39 2021 -0600
Handle all UBSAN built-ins in -Wuninitialized [PR101300].
Resolves:
PR middle-end/101300 - -fsanitize=undefined suppresses -Wuninitialized for
a VLA read at -O0
gcc/ChangeLog:
PR middle-end/101300
* tree-ssa-uninit.c (check_defs): Handle UBSAN built-ins.
gcc/testsuite/ChangeLog:
PR middle-end/101300
* gcc.dg/uninit-pr101300.c: New test.
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