[Bug target/127743] [15/16 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed

[khatrishubham88 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127743

--- Comment #1 from Shubham Khatri <khatrishubham88 at gmail dot com> ---
Created attachment 65763
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65763&action=edit
Reduced testcase (exits 0 when correct, aborts when miscompiled at -O2)