[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 #2 from Shubham Khatri <khatrishubham88 at gmail dot com> ---
Created attachment 65764
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65764&action=edit
Larger testcase, preprocessed by GCC 15.2 (g++ -std=c++23 -O2 -ffp-contract=off
-x c++-cpp-output)