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* [Bug tree-optimization/81809] missing -Wuninitialized due to alias analysis limitation [not found] <bug-81809-4@http.gcc.gnu.org/bugzilla/> @ 2020-07-14 22:16 ` msebor at gcc dot gnu.org 2024-02-05 16:56 ` pinskia at gcc dot gnu.org 1 sibling, 0 replies; 2+ messages in thread From: msebor at gcc dot gnu.org @ 2020-07-14 22:16 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81809 Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to fail| |10.1.0, 11.0, 8.2.0, 9.2.0 --- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> --- Another test case for the same underlying bug. $ cat z.c && gcc -O2 -S -Wall z.c void f (const int*, const int*); void g (void) { int a = 0, b; f (&a, &b); } void h (void) { int a = 0, b; f (&a, 0); f (&b, 0); } z.c: In function ‘g’: z.c:6:3: warning: ‘b’ may be used uninitialized [-Wmaybe-uninitialized] 6 | f (&a, &b); | ^~~~~~~~~~ z.c:1:6: note: by argument 2 of type ‘const int *’ to ‘f’ declared here 1 | void f (const int*, const int*); | ^ z.c:5:14: note: ‘b’ declared here 5 | int a = 0, b; | ^ ^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug tree-optimization/81809] missing -Wuninitialized due to alias analysis limitation [not found] <bug-81809-4@http.gcc.gnu.org/bugzilla/> 2020-07-14 22:16 ` [Bug tree-optimization/81809] missing -Wuninitialized due to alias analysis limitation msebor at gcc dot gnu.org @ 2024-02-05 16:56 ` pinskia at gcc dot gnu.org 1 sibling, 0 replies; 2+ messages in thread From: pinskia at gcc dot gnu.org @ 2024-02-05 16:56 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81809 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |symbioticfemale@cumallover. | |me --- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- *** Bug 113769 has been marked as a duplicate of this bug. *** ^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <bug-81809-4@http.gcc.gnu.org/bugzilla/>
2020-07-14 22:16 ` [Bug tree-optimization/81809] missing -Wuninitialized due to alias analysis limitation msebor at gcc dot gnu.org
2024-02-05 16:56 ` pinskia at gcc dot gnu.org
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