[Mlir-commits] [mlir] Avoid unnecessary erasing of constant Locs (PR #151573)

[Mehdi Amini]

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@@ -2,7 +2,7 @@
 
 // CHECK-LABEL: func @merge_constants
 func.func @merge_constants() -> (index, index, index, index) {
-  // CHECK-NEXT: arith.constant 42 : index loc(#[[UnknownLoc:.*]])
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joker-eph wrote:

Why is this check next broken? Can you provide the before/after output for this test?

https://github.com/llvm/llvm-project/pull/151573