https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100876
--- 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:d9f1466f88abef7c814d02ba39a6ea5ef420aaec commit r12-1441-gd9f1466f88abef7c814d02ba39a6ea5ef420aaec Author: Martin Sebor <mse...@redhat.com> Date: Mon Jun 14 16:34:48 2021 -0600 Teach compute_objsize about placement new [PR100876]. Resolves: PR c++/100876 - -Wmismatched-new-delete should understand placement new when it's not inlined gcc/ChangeLog: PR c++/100876 * builtins.c (gimple_call_return_array): Check for attribute fn spec. Handle calls to placement new. (ndecl_dealloc_argno): Avoid placement delete. gcc/testsuite/ChangeLog: PR c++/100876 * g++.dg/warn/Wmismatched-new-delete-4.C: New test. * g++.dg/warn/Wmismatched-new-delete-5.C: New test. * g++.dg/warn/Wstringop-overflow-7.C: New test. * g++.dg/warn/Wfree-nonheap-object-6.C: New test. * g++.dg/analyzer/placement-new.C: Prune out expected warning.
