[Bug sanitizer/108256] Missing integer overflow instrumentation when assignment LHS is narrow
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108256 --- Comment #8 from Marek Polacek --- *** Bug 115971 has been marked as a duplicate of this bug. ***
[Bug sanitizer/108256] Missing integer overflow instrumentation when assignment LHS is narrow
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108256 --- Comment #7 from Andrew Pinski --- *** Bug 115323 has been marked as a duplicate of this bug. ***
[Bug sanitizer/108256] Missing integer overflow instrumentation when assignment LHS is narrow
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108256 Andrew Pinski changed: What|Removed |Added CC||bic60176 at gmail dot com --- Comment #6 from Andrew Pinski --- *** Bug 115155 has been marked as a duplicate of this bug. ***
[Bug sanitizer/108256] Missing integer overflow instrumentation when assignment LHS is narrow
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108256 Andrew Pinski changed: What|Removed |Added CC||haoxintu at gmail dot com --- Comment #5 from Andrew Pinski --- *** Bug 95326 has been marked as a duplicate of this bug. ***
[Bug sanitizer/108256] Missing integer overflow instrumentation when assignment LHS is narrow
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108256 Andrew Pinski changed: What|Removed |Added CC||jiajing_zheng at 163 dot com --- Comment #4 from Andrew Pinski --- *** Bug 113702 has been marked as a duplicate of this bug. ***
[Bug sanitizer/108256] Missing integer overflow instrumentation when assignment LHS is narrow
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108256 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |13.0
[Bug sanitizer/108256] Missing integer overflow instrumentation when assignment LHS is narrow
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108256 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--- |FIXED --- Comment #3 from Jakub Jelinek --- Fixed on the trunk.
[Bug sanitizer/108256] Missing integer overflow instrumentation when assignment LHS is narrow
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108256 --- Comment #2 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:8692b15ae7c05e3224f285069e070c009d9f6efe commit r13-4988-g8692b15ae7c05e3224f285069e070c009d9f6efe Author: Jakub Jelinek Date: Wed Jan 4 10:52:49 2023 +0100 ubsan: Avoid narrowing of multiply for -fsanitize=signed-integer-overflow [PR108256] We shouldn't narrow multiplications originally done in signed types, because the original multiplication might overflow but the narrowed one will be done in unsigned arithmetics and will never overflow. 2023-01-04 Jakub Jelinek PR sanitizer/108256 * convert.cc (do_narrow): Punt for MULT_EXPR if original type doesn't wrap around and -fsanitize=signed-integer-overflow is on. * fold-const.cc (fold_unary_loc) : Likewise. * c-c++-common/ubsan/pr108256.c: New test.
[Bug sanitizer/108256] Missing integer overflow instrumentation when assignment LHS is narrow
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108256 Jakub Jelinek changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org Last reconfirmed||2023-01-03 Ever confirmed|0 |1 Status|UNCONFIRMED |ASSIGNED --- Comment #1 from Jakub Jelinek --- Created attachment 54177 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54177&action=edit gcc13-pr108256.patch Untested fix.
