https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
Bug 86518 depends on bug 86575, which changed state.
Bug 86575 Summary: [8 Regression] -Wimplicit-fallthrough affects code generation
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86575
What|Removed |Added
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
Bug 86518 depends on bug 86569, which changed state.
Bug 86569 Summary: [8 Regression] -Wnonnull-compare affects code generation
since r233684
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86569
What|Removed |Ad
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
--- Comment #12 from Eric Gallager ---
(In reply to Jonathan Wakely from comment #11)
> (In reply to Eric Gallager from comment #10)
> > If this is becoming the meta-bug for all warnings that affect codegen, then
> > I'd like to add bug 61579 (-W
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
Bug 86518 depends on bug 86586, which changed state.
Bug 86586 Summary: [7/8/9 Regression] -Wsign-compare affects code generation
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86586
What|Removed |Added
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
Bug 86518 depends on bug 86567, which changed state.
Bug 86567 Summary: [8/9 Regression] -Wnonnull/-Wformat/-Wrestrict affect code
generation
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86567
What|Removed |Add
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
--- Comment #11 from Jonathan Wakely ---
(In reply to Eric Gallager from comment #10)
> If this is becoming the meta-bug for all warnings that affect codegen, then
> I'd like to add bug 61579 (-Wwrite-strings) as at least semi-related... (not
> s
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
Eric Gallager changed:
What|Removed |Added
See Also||https://gcc.gnu.org/bugzill
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
--- Comment #9 from Alexander Monakov ---
One more: -Wimplicit-fallthrough issue uncovered by the testsuite: PR 86575.
So far all issues appeared in gcc-6 or more recent.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
--- Comment #8 from Alexander Monakov ---
Other files seem to miscompare due to -Wnonnull-compare: PR 86569.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
--- Comment #7 from Alexander Monakov ---
cp/mangle.o miscompares due to -Wsign-compare, possibly due to caching in
maybe_constant_value as in the above PR.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
--- Comment #6 from Alexander Monakov ---
GCC 7 sadly has a similar list of miscomparing files. Did not check GCC 6 yet.
So far I managed to catch one set of misbehaving warnings by checking testsuite
fallout with -fcompare-debug=-Wall, but unfo
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
--- Comment #5 from Eric Gallager ---
(In reply to Jonathan Wakely from comment #3)
> I wouldn't be surprised if the build fails with -Wnarrowing (but maybe that
> should be fixed anyway, so we can build with non-GNU compilers that default
> to C
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
--- Comment #4 from Alexander Monakov ---
Yep, that's correct: -Wno-narrowing is necessary for build to succeed at all.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
--- Comment #3 from Jonathan Wakely ---
I wouldn't be surprised if the build fails with -Wnarrowing (but maybe that
should be fixed anyway, so we can build with non-GNU compilers that default to
C++11 or later).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
Eric Gallager changed:
What|Removed |Added
CC||egallager at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86518
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
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