https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85034
--- Comment #1 from Vegard Nossum <vegard.nossum at oracle dot com> ---
FWIW, gcc built from r258757 with asan gives:
<stdin>:4:1: internal compiler error: in elimination_costs_in_insn, at
reload1.c:3633
/home/vegard/git/gcc/libbacktrace/elf.c:2891:22: runtime error: load of
misaligned address 0x7fcd5cfafddd for type 'const uint32_t', which requires 4
byte alignment
0x7fcd5cfafddd: note: pointer points here
33 2e 73 6f 00 00 00 00 c4 0a 19 a5 00 2e 73 68 73 74 72 74 61 62 00 2e 6e
6f 74 65 2e 67 6e 75
^
0xfa62b80 elimination_costs_in_insn
/home/vegard/git/gcc/gcc/reload1.c:3630
0xfb2e117 calculate_elim_costs_all_insns()
/home/vegard/git/gcc/gcc/reload1.c:1607
0xcb6411a ira_costs()
/home/vegard/git/gcc/gcc/ira-costs.c:2249
0xca59ed0 ira_build()
/home/vegard/git/gcc/gcc/ira-build.c:3427
0xc8c9fc4 ira
/home/vegard/git/gcc/gcc/ira.c:5295
0xc8c9fc4 execute
/home/vegard/git/gcc/gcc/ira.c:5606
