GCC 3.1 changes
llvm-svn: 3074
diff --git a/llvm/lib/AsmParser/Lexer.l b/llvm/lib/AsmParser/Lexer.l
index faddcb1..b837325 100644
--- a/llvm/lib/AsmParser/Lexer.l
+++ b/llvm/lib/AsmParser/Lexer.l
@@ -85,7 +85,7 @@
// If AllowNull is set to true, the return value of the function points to the
// last character of the string in memory.
//
-char *UnEscapeLexed(char *Buffer, bool AllowNull = false) {
+char *UnEscapeLexed(char *Buffer, bool AllowNull) {
char *BOut = Buffer;
for (char *BIn = Buffer; *BIn; ) {
if (BIn[0] == '\\' && isxdigit(BIn[1]) && isxdigit(BIn[2])) {