Fix a major bug in PCHReader::ReadSelectorBlock().
Also simplify some syntax in PCHWriter::WritePreprocessor(), suggested by Chris.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70039 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index 4c3e248..78be893 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1750,14 +1750,15 @@
for (unsigned SelIdx = 0; SelIdx < NumSels; SelIdx++) {
unsigned NumArgs = Record[Idx++];
KeyIdents.clear();
- if (NumArgs <= 1) {
+ if (NumArgs == 0) {
+ // If the number of arguments is 0, the we must have an Identifier.
IdentifierInfo *II = DecodeIdentifierInfo(Record[Idx++]);
assert(II && "DecodeIdentifierInfo returned 0");
KeyIdents.push_back(II);
} else {
+ // For keyword selectors, the Identifier is optional (::: is legal!).
for (unsigned ArgIdx = 0; ArgIdx < NumArgs; ++ArgIdx) {
IdentifierInfo *II = DecodeIdentifierInfo(Record[Idx++]);
- assert(II && "DecodeIdentifierInfo returned 0");
KeyIdents.push_back(II);
}
}