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Changes between Initial Version and Version 1 of Ticket #54773, comment 14

initial	v1
10	10	However, the resulting compiler failed to build some Qt 5.8 code (a bit surprising because that same code builds fine with the system clang).
11	11
12		As a side-note: full GCC build configured with `--disable-bootstrap` using clang-mp-4.0 is over 4x faster than the `bootstrap-lean` procedure used normally, the build directory is more than 2x smaller (after HFS compression!) and the resulting binary image (xz-compressed tarball) is 10% smaller. I still need to do a few comparisons of compiler performance (the bootstrapped version might be faster according to the docs) but these figures justify a `+quick` variant IMHO.
	12	As a side-note: a full GCC build configured with `--disable-bootstrap` using clang-mp-4.0 is over 4x faster than the `bootstrap-lean` procedure used normally, the build directory is more than 2x smaller (after HFS compression!) and the resulting binary image (xz-compressed tarball) is 10% smaller. I still need to do a few comparisons of compiler performance (the bootstrapped version might be faster according to the docs) but these figures justify a `+quick` variant IMHO.