[Mlir-commits] [mlir] [mlir][linalg] Fix crashes in parser on linalg ops without operands (PR #97944)

[Felix Schneider]

================
@@ -1356,8 +1356,10 @@ ParseResult MapOp::parse(OpAsmParser &parser, OperationState &result) {
     return failure();
 
   if (payloadOpName.has_value()) {
-    addBodyWithPayloadOp(parser, result, payloadOpName.value(), payloadOpAttrs,
-                         ArrayRef(result.operands).drop_back());
+    if (!result.operands.empty())
----------------
ubfx wrote:

> I don't know if it will work, but maybe we can get a better error message than:

Passing an empty `ArrayRef` unfortunately doesn't work, because during creation of the region, the Element Type of the respective tensor is needed.
But adding an empty region improves the error message.

https://github.com/llvm/llvm-project/pull/97944