[Mlir-commits] [mlir] 496d871 - [mlir][Python] fix liveContextMap under free-threading after #178529 (#179163)

[llvmlistbot at llvm.org]

Author: Maksim Levental
Date: 2026-02-02T05:08:51Z
New Revision: 496d871ff32b0d1db0f145bca8fa9fe7c0e550b7

URL: https://github.com/llvm/llvm-project/commit/496d871ff32b0d1db0f145bca8fa9fe7c0e550b7
DIFF: https://github.com/llvm/llvm-project/commit/496d871ff32b0d1db0f145bca8fa9fe7c0e550b7.diff

LOG: [mlir][Python] fix liveContextMap under free-threading after #178529 (#179163)

#178529 introduced a small bug under free-threading by bumping a
reference count (or something like that) when accessing the operand list
passed to `build_generic`. This PR fixes that.

Added: 
    

Modified: 
    mlir/lib/Bindings/Python/IRCore.cpp

Removed: 
    


################################################################################
diff  --git a/mlir/lib/Bindings/Python/IRCore.cpp b/mlir/lib/Bindings/Python/IRCore.cpp
index dda4a027f0a30..7f34343eba6c9 100644
--- a/mlir/lib/Bindings/Python/IRCore.cpp
+++ b/mlir/lib/Bindings/Python/IRCore.cpp
@@ -1671,7 +1671,7 @@ nb::object PyOpView::buildGeneric(
       int segmentSpec = operandSegmentSpec[i];
       if (segmentSpec == 1 || segmentSpec == 0) {
         // Unpack unary element.
-        const auto operand = operandList[i];
+        const nanobind::handle operand = operandList[i];
         if (!operand.is_none()) {
           try {
             operands.push_back(getOpResultOrValue(operand));