[flang] Fix a warning

kazutakahirata · kazutakahirata · commit 611f47c46c7c · 2025-05-20T11:24:15.000-07:00
This patch fixes:

  flang/lib/Optimizer/HLFIR/Transforms/LowerHLFIROrderedAssignments.cpp:1377:10:
  error: variable 'isValid' set but not used
  [-Werror,-Wunused-but-set-variable]
diff --git a/flang/lib/Optimizer/HLFIR/Transforms/LowerHLFIROrderedAssignments.cpp b/flang/lib/Optimizer/HLFIR/Transforms/LowerHLFIROrderedAssignments.cpp
@@ -1397,6 +1397,7 @@ void OrderedAssignmentRewriter::canonicalizeExactlyOnceInsideWhere(
       isValid = false;
     }
     assert(isValid && "invalid live-in");
+    (void)isValid;
     return op;
   };
   mlir::Liveness liveness(whereOp.getOperation());

Original file line number	Diff line number	Diff line change
`@@ -1397,6 +1397,7 @@ void OrderedAssignmentRewriter::canonicalizeExactlyOnceInsideWhere(`
`1397`	`1397`	`isValid = false;`
`1398`	`1398`	`}`
`1399`	`1399`	`assert(isValid && "invalid live-in");`
	`1400`	`+ (void)isValid;`
`1400`	`1401`	`return op;`
`1401`	`1402`	`};`
`1402`	`1403`	`mlir::Liveness liveness(whereOp.getOperation());`