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-rw-r--r--clang/lib/Format/UnwrappedLineParser.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
index 00dc1bda538..23b9d550fb1 100644
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -549,6 +549,7 @@ void UnwrappedLineParser::conditionalCompilationEnd() {
void UnwrappedLineParser::parsePPIf(bool IfDef) {
nextToken();
bool IsLiteralFalse = (FormatTok->Tok.isLiteral() &&
+ FormatTok->Tok.getLiteralData() != nullptr &&
StringRef(FormatTok->Tok.getLiteralData(),
FormatTok->Tok.getLength()) == "0") ||
FormatTok->Tok.is(tok::kw_false);
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