[Bug target/71549] ICE on valid code at -O2 and -O3 with -g enabled in 64-bit mode on x86_64-linux-gnu: in simplify_subreg, at simplify-rtx.c:5952

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71549

--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #2)
> Patch in testing:

Bah. it fails bootstrap when compiling bitmap_allocator.o:

x86_64-pc-linux-gnu/libstdc++-v3/include/ext/bitmap_allocator.h:199:7: internal
compiler error: in setup_min_max_allocno_live_range_point, at ira-build.c:2760
       }
       ^
0xe08587 setup_min_max_allocno_live_range_point
        ../../git/gcc/gcc/ira-build.c:2760
0xe0e48b ira_build()
        ../../git/gcc/gcc/ira-build.c:3435
0xe010f0 ira
        ../../git/gcc/gcc/ira.c:5220
0xe013ff execute
        ../../git/gcc/gcc/ira.c:5525
Please submit a full bug report,

I'm leaving this to HJ.