Shivam Kunwar e3b62ffcd8
[Reassociate][DebugInfo] Salvage debug info before rewriting expression (#182730)
When RewriteExprTree modifies instruction operands, call
`salvageDebugInfo()` before `setOperand()` so debug value expressions
are rewritten while original operands are still intact. This preserves
variable accessibility in debuggers instead of dropping values to
poison.

Fixes #60532
Fixes #61272
2026-03-05 18:41:57 +05:30
..