Enclose verifier code for AttrSizedOperandSegments and AttrSizedResultSegments in a nested code block to avoid symbol collision.

[chky]

Summary

Enclose verifier code for AttrSizedOperandSegments and AttrSizedResultSegments in a nested code block to avoid symbol collision.

[antiagainst]

Thanks! Do you have commit access to llvm-project? I can land it if you don't.

[chky]

In D80250#2045242, @antiagainst wrote:

Thanks! Do you have commit access to llvm-project? I can land it if you don't.

I don't have commit access. Please help land this patch. Thanks a lot!

mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp

void OpEmitter::genVerifier() {
   auto valueInit = def.getValueInit("verifier");
   CodeInit *codeInit = dyn_cast<CodeInit>(valueInit);
   bool hasCustomVerify = codeInit && !codeInit->getValue().empty();
 
   auto &method = opClass.newMethod("LogicalResult", "verify", /*params=*/"");
   auto &body = method.body();
 
   const char *checkAttrSizedValueSegmentsCode = R"(
+  {
     auto sizeAttr = getAttrOfType<DenseIntElementsAttr>("{0}");
     auto numElements = sizeAttr.getType().cast<ShapedType>().getNumElements();
     if (numElements != {1}) {{
       return emitOpError("'{0}' attribute for specifying {2} segments "
                          "must have {1} elements");
     }
+  }
   )";
 
   // Verify a few traits first so that we can use
   // getODSOperands()/getODSResults() in the rest of the verifier.
   for (auto &trait : op.getTraits()) {
     if (auto *t = dyn_cast<tblgen::NativeOpTrait>(&trait)) {
       if (t->getTrait() == "OpTrait::AttrSizedOperandSegments") {
         body << formatv(checkAttrSizedValueSegmentsCode,