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-rw-r--r--utils/TableGen/AsmWriterEmitter.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/utils/TableGen/AsmWriterEmitter.cpp b/utils/TableGen/AsmWriterEmitter.cpp
index de4ec226fc..974c334651 100644
--- a/utils/TableGen/AsmWriterEmitter.cpp
+++ b/utils/TableGen/AsmWriterEmitter.cpp
@@ -728,7 +728,9 @@ void AsmWriterEmitter::run(raw_ostream &O) {
<< " if (Bits == 0) return false;\n"
<< " O << AsmStrs+(Bits & " << (1 << AsmStrBits)-1 << ");\n\n";
- O << " unsigned OperandColumn = 1;\n\n";
+ // This variable may be unused, suppress build warnings.
+ O << " unsigned OperandColumn = 1;\n";
+ O << " (void) OperandColumn;\n\n";
// Output the table driven operand information.
BitsLeft = 32-AsmStrBits;