https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98583
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Martin Sebor <mse...@gcc.gnu.org>: https://gcc.gnu.org/g:2efe245bb88bf4574e322ef7e6d2df83d9e13237 commit r12-783-g2efe245bb88bf4574e322ef7e6d2df83d9e13237 Author: Martin Sebor <mse...@redhat.com> Date: Thu May 13 16:05:50 2021 -0600 Avoid -Wuninitialized false negatives with sanitization and VLAs. Resolves: PR tree-optimization/93100 - gcc -fsanitize=address inhibits -Wuninitialized PR middle-end/98583 - missing -Wuninitialized reading from a second VLA in its own block gcc/ChangeLog: PR tree-optimization/93100 PR middle-end/98583 * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that don't modify referenced objects. gcc/testsuite/ChangeLog: PR tree-optimization/93100 PR middle-end/98583 * g++.dg/warn/uninit-pr93100.C: New test. * gcc.dg/uninit-pr93100.c: New test. * gcc.dg/uninit-pr98583.c: New test.