Right now with plain trunk PGO/LTO builds pass but code is not optimized. When local patches are applied (and coverage warnings are disabled), gcc build is fine and performance/size is better than a clang build (PGO/LTO/GCC 13.1/Fedora 38 speedometer 188 vs. 177 and libxul size 2.8 GB vs. 2.9 GB).
Bug 1601903 Comment 10 Edit History
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Right now with plain trunk GCC/PGO/LTO builds pass but code is not optimized. When local patches are applied (and coverage warnings are disabled), gcc build is fine and performance/size is better than a clang build (PGO/LTO/GCC 13.1/Fedora 38 speedometer 188 vs. 177 and libxul size 2.8 GB vs. 2.9 GB).