[Bug 77580] GCC memory starvation caused by flatten attribute with LTO

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jul 20 03:51:30 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=77580

--- Comment #9 from Patrick McMunn <doctorwhoguy at gmail.com> ---
Also, make sure that you're passing the same flags to the linker that you're
passing to the compiler. If your compiler flags are something like

CXXFLAGS="-O2 -march=native -flto -ffat-lto-objects -fuse-linker-plugin"

then your linker flags should look something like

LDFLAGS="-Wl,-O1 -Wl,--as-needed -O2 -march=native -flto -ffat-lto-objects
-fuse-linker-plugin"

Otherwise it won't be properly optimized during the linking phase.

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