[Bug sanitizer/91707] [10 Regression] spurious stringop-overflow warning with -fsanitize=undefined

2020-02-02 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P2 CC|

[Bug sanitizer/91707] [10 Regression] spurious stringop-overflow warning with -fsanitize=undefined

2019-09-23 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707 --- Comment #6 from Martin Sebor --- The nowarning idea in comment #5 is close to what I've been moving toward with the new __builtin_warning intrinsic. Calls to it can be injected into the IL by any pass, even the front-ends or user-defined cod

[Bug sanitizer/91707] [10 Regression] spurious stringop-overflow warning with -fsanitize=undefined

2019-09-23 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707 --- Comment #5 from Jakub Jelinek --- Or mark the jump threading copies of stmts for sanitization (which start with the __builtin___{asan,ubsan}_* calls) as nowarning.

[Bug sanitizer/91707] [10 Regression] spurious stringop-overflow warning with -fsanitize=undefined

2019-09-23 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707 Jakub Jelinek changed: What|Removed |Added CC||law at gcc dot gnu.org --- Comment #4 fr

[Bug sanitizer/91707] [10 Regression] spurious stringop-overflow warning with -fsanitize=undefined

2019-09-23 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707 --- Comment #3 from Jakub Jelinek --- First of all, we shouldn't create such weirdo arrays, so I think we want something like: --- gcc/tree-ssa-ccp.c.jj 2019-09-20 12:25:26.809718354 +0200 +++ gcc/tree-ssa-ccp.c 2019-09-23 19:38:03.5307228

[Bug sanitizer/91707] [10 Regression] spurious stringop-overflow warning with -fsanitize=undefined

2019-09-23 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707 Martin Sebor changed: What|Removed |Added Blocks||88443 --- Comment #2 from Martin Sebor -

[Bug sanitizer/91707] [10 Regression] spurious stringop-overflow warning with -fsanitize=undefined

2019-09-09 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|