> Please do not create one another bug (so far we have 3 PRs that are pretty about the same). These bugs all represent different goals. * [1642410](https://bugzilla.mozilla.org/show_bug.cgi?id=1642410) was a bug around py2-to-py3 conversion and wasn't related to `gcc` * [this bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1680306) was about diagnosing your specific (unknown at report-time) compilation failure * [1642410](https://bugzilla.mozilla.org/show_bug.cgi?id=1642410) is to capture the intent to implement GCC support for PGO > So yes, right now I see many -Wmissing-profile warnings and I've just tested the following patch: Are you seeing performance improvements after doing a build with that patch?
Bug 1680306 Comment 24 Edit History
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> Please do not create one another bug (so far we have 3 PRs that are pretty about the same). These bugs all represent different goals. * [1642410](https://bugzilla.mozilla.org/show_bug.cgi?id=1642410) was a bug around py2-to-py3 conversion and wasn't related to `gcc` * [this bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1680306) was about diagnosing your specific (unknown at report-time) compilation failure * [1681536](https://bugzilla.mozilla.org/show_bug.cgi?id=1681536) is to capture the intent to implement GCC support for PGO > So yes, right now I see many -Wmissing-profile warnings and I've just tested the following patch: Are you seeing performance improvements after doing a build with that patch?