[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Bug 86172 depends on bug 115067, which changed state. Bug 115067 Summary: Bogus -O2 -Wnull-dereference for istreambuf_iterator https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115067 What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|--- |DUPLICATE
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Bug 86172 depends on bug 112421, which changed state. Bug 112421 Summary: GCC emits warning potential null dereference https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112421 What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|--- |DUPLICATE
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Bug 86172 depends on bug 94867, which changed state. Bug 94867 Summary: [10 Regression] New (since gcc 8) false positive with -Wnull-dereference in very simple code https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94867 What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 --- Comment #7 from Eric Gallager --- (In reply to Segher Boessenkool from comment #6) > Thanks for the information Eric. > > Will it help if the option is split into -Wnull-dereference and > -Wmaybe-null-dereference (as suggested before)? This discussion is now in bug 96554
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Bug 86172 depends on bug 89202, which changed state. Bug 89202 Summary: missing -Wnonnull-dereference or -Wuninitialized for a certain bug (CCP) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89202 What|Removed |Added Status|NEW |RESOLVED Resolution|--- |DUPLICATE
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Bug 86172 depends on bug 90264, which changed state. Bug 90264 Summary: [9/10 Regression] -Wnull-dereference QoI issue https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90264 What|Removed |Added Status|REOPENED|RESOLVED Resolution|--- |INVALID
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Bug 86172 depends on bug 90264, which changed state. Bug 90264 Summary: [9/10 Regression] -Wnull-dereference QoI issue https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90264 What|Removed |Added Status|RESOLVED|REOPENED Resolution|INVALID |---
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Bug 86172 depends on bug 90264, which changed state. Bug 90264 Summary: [9/10 Regression] -Wnull-dereference false positive after r270574 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90264 What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Bug 86172 depends on bug 90037, which changed state. Bug 90037 Summary: [9 Regression] -Wnull-dereference false positive after r269302 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90037 What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Segher Boessenkool changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2018-10-20 Ever confirmed|0 |1 --- Comment #6 from Segher Boessenkool --- Thanks for the information Eric. Will it help if the option is split into -Wnull-dereference and -Wmaybe-null-dereference (as suggested before)?
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 --- Comment #5 from Eric Gallager --- (In reply to Segher Boessenkool from comment #4) > At least some of what? I don't follow. The bugs that this one depends upon. > _Is_ there anything that prevents us from enabling -Wnull-dereference at > -Wextra or -Wall or even by default? It was previously in -Wall, but it was removed from it in r226751 because it broke bootstrap, see bug 16351 comment 35. > Does it have false positives? Bug 71157 is a false positive.
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 --- Comment #4 from Segher Boessenkool --- At least some of what? I don't follow. _Is_ there anything that prevents us from enabling -Wnull-dereference at -Wextra or -Wall or even by default? Does it have false positives?
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Eric Gallager changed: What|Removed |Added Blocks||87656 --- Comment #3 from Eric Gallager --- At least some of these prevent enabling -Wnull-dereference with -Wextra. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87656 [Bug 87656] Useful flags to enable with -Wall or -Wextra
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Eric Gallager changed: What|Removed |Added CC||segher at gcc dot gnu.org --- Comment #2 from Eric Gallager --- came up on gcc-help here: https://gcc.gnu.org/ml/gcc-help/2018-10/msg00051.html
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Eric Gallager changed: What|Removed |Added CC||law at gcc dot gnu.org, ||manu at gcc dot gnu.org, ||msebor at gcc dot gnu.org --- Comment #1 from Eric Gallager --- cc-ing relevant people
[Bug middle-end/86172] [meta-bug] issues with -Wnull-dereference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 Bug 86172 depends on bug 86177, which changed state. Bug 86177 Summary: Wnull-dereference warning for object file compile missing https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86177 What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID
