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-rw-r--r--clang/lib/Parse/ParsePragma.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/clang/lib/Parse/ParsePragma.cpp b/clang/lib/Parse/ParsePragma.cpp
index 106c02b362f..e0b8f8b4eae 100644
--- a/clang/lib/Parse/ParsePragma.cpp
+++ b/clang/lib/Parse/ParsePragma.cpp
@@ -733,7 +733,11 @@ bool Parser::HandlePragmaLoopHint(LoopHint &Hint) {
Hint.PragmaNameLoc = IdentifierLoc::create(
Actions.Context, Info->PragmaName.getLocation(), PragmaNameInfo);
- IdentifierInfo *OptionInfo = Info->Option.getIdentifierInfo();
+ // It is possible that the loop hint has no option identifier, such as
+ // #pragma unroll(4).
+ IdentifierInfo *OptionInfo = Info->Option.is(tok::identifier)
+ ? Info->Option.getIdentifierInfo()
+ : nullptr;
Hint.OptionLoc = IdentifierLoc::create(
Actions.Context, Info->Option.getLocation(), OptionInfo);
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