FYI, On Tue, Sep 8, 2015 at 12:04 PM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: [...] > That's not the only option. You could compile one file with GCC and > all others with Clang and see if you can reproduce it. Repeat for each > file, which will narrow down the file where the problem occurs. Then > you can try splitting that file into smaller pieces, with one function > per file, and repeat the process. That would tell you which function > or functions get miscompiled by GCC. Ok so if I compile eveything with gcc and then only `tcd.c` using clang, then everything works as expected (no symptoms). ref: https://github.com/uclouvain/openjpeg/blob/master/src/lib/openjp2/tcd.c I'll repeat your approach to find the culprit function.
