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Changes between Initial Version and Version 1 of Ticket #53605, comment 6

initial	v1
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3	3	I seem to recall that gcc used to have spec files for its internal configuration details. This kind of tweak could possibly be handled completely via such a spec file, but nowadays they seem to be built in. Anyone here familiar with those files?
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	5	Edit : as a test I built port:kf5-kdevelop-clang-parser-devel (https://github.com/RJVB/macstrop/tree/master/kf5/kdevelop5) with GCC 6; it builds and runs fine in the host app which is built with clang 3.9.0 .
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	7	Only disadvantage I've seen: GCC seems to generate AVX intrinsics that `as` from port:cctools doesn't grok, so I cannot let the compiler do AVX-based auto-vectorisation. It remains to be seen if that comes with a noticeable performance penalty outside of very specific benchmarks (probably not).