[ODRHash] Support ODR violation detection in functions.
Extend the hashing to functions, which allows detection of function definition
mismatches across modules. This is a re-commit of r320230.
llvm-svn: 321395
diff --git a/clang/lib/Serialization/ASTWriterDecl.cpp b/clang/lib/Serialization/ASTWriterDecl.cpp
index 3dac3a4..bb72a3b 100644
--- a/clang/lib/Serialization/ASTWriterDecl.cpp
+++ b/clang/lib/Serialization/ASTWriterDecl.cpp
@@ -538,6 +538,8 @@
Record.push_back(D->getLinkageInternal());
Record.AddSourceLocation(D->getLocEnd());
+ Record.push_back(D->getODRHash());
+
Record.push_back(D->getTemplatedKind());
switch (D->getTemplatedKind()) {
case FunctionDecl::TK_NonTemplate:
@@ -2072,6 +2074,7 @@
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // LateParsed
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Linkage
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LocEnd
+ Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // ODRHash
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // TemplateKind
// This Array slurps the rest of the record. Fortunately we want to encode
// (nearly) all the remaining (variable number of) fields in the same way.