https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64717
Bug ID: 64717 Summary: -fsanitize=vptr leads to warning: ‘<anonymous>’ may be used uninitialized in this function [-Wmaybe-uninitialized] Product: gcc Version: 5.0 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority: P3 Component: sanitizer Assignee: unassigned at gcc dot gnu.org Reporter: burnus at gcc dot gnu.org CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org, jakub at gcc dot gnu.org, kcc at gcc dot gnu.org Created attachment 34522 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34522&action=edit Testcase (test.ii), compile with: -Wmaybe-uninitialized -fsanitize=vptr Using -fsanitize=vptr on a mid-size C++ code leads to a few hundreds of the following warnings: warning: ‘<anonymous>’ may be used uninitialized in this function [-Wmaybe-uninitialized] The test case shows with g++ -S -Wmaybe-uninitialized -fsanitize=vptr test.ii also that message.