Loop hint pragmas sometimes do not contain an identifier option (such as #pragma unroll(4)). Check explicitly that the token we stored was an identifier.
Amends r214432
llvm-svn: 214446
diff --git a/clang/lib/Parse/ParsePragma.cpp b/clang/lib/Parse/ParsePragma.cpp
index 106c02b..e0b8f8b 100644
--- a/clang/lib/Parse/ParsePragma.cpp
+++ b/clang/lib/Parse/ParsePragma.cpp
@@ -733,7 +733,11 @@
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);