Fix CI failure

Author: NimishMishra

mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp

@@ -2551,7 +2551,8 @@ convertOmpWsloop(Operation &opInst, llvm::IRBuilderBase &builder,
   LinearClauseProcessor linearClauseProcessor;
 
   if (!wsloopOp.getLinearVars().empty()) {
-    for (mlir::Attribute linearVarType : wsloopOp.getLinearVarTypes().value())
+    auto linearVarTypes = wsloopOp.getLinearVarTypes().value();
+    for (mlir::Attribute linearVarType : linearVarTypes)
       linearClauseProcessor.registerType(moduleTranslation, linearVarType);
 
     for (auto [idx, linearVar] : llvm::enumerate(wsloopOp.getLinearVars()))
@@ -2863,7 +2864,8 @@ convertOmpSimd(Operation &opInst, llvm::IRBuilderBase &builder,
   LinearClauseProcessor linearClauseProcessor;
 
   if (!simdOp.getLinearVars().empty()) {
-    for (mlir::Attribute linearVarType : simdOp.getLinearVarTypes().value())
+    auto linearVarTypes = simdOp.getLinearVarTypes().value();
+    for (mlir::Attribute linearVarType : linearVarTypes)
       linearClauseProcessor.registerType(moduleTranslation, linearVarType);
     for (auto [idx, linearVar] : llvm::enumerate(simdOp.getLinearVars()))
       linearClauseProcessor.createLinearVar(builder, moduleTranslation,