[Bug target/118976] [12/13/14/15 regression] Correctness Issue: SVE vectorization results in data corruption when cpu has 128bit vectors

[lrbison at amazon dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118976

--- Comment #4 from Luke Robison <lrbison at amazon dot com> ---
Apologies I forgot to include compile line and output:

gcc -fno-inline -O3 -Wall -fno-strict-aliasing  -mcpu=neoverse-v1 -o final
final.c

gcc:9 gives PASS: got 0x00bbbbbb 0x00aaaaaa as expected
gcc:10 gives PASS: got 0x00bbbbbb 0x00aaaaaa as expected
gcc:11 gives PASS: got 0x00bbbbbb 0x00aaaaaa as expected
gcc:12.4 gives ERROR: expected 0x00bbbbbb 0x00aaaaaa but got 0x00bbbbbb
0xaaaaaa00
gcc:13.3 gives ERROR: expected 0x00bbbbbb 0x00aaaaaa but got 0x00bbbbbb
0xaaaaaa00
gcc:14.2 gives ERROR: expected 0x00bbbbbb 0x00aaaaaa but got 0x00bbbbbb
0xaaaaaa00