Introduce command line option -error-on-deserialized-decl that is accompanied by a name
and emits an error if a declaration with this name is deserialized from PCH.
This is for testing, to make sure that we don't deserialize stuff needlessly.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116505 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 8f0cb08..3a928a5 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -1409,7 +1409,13 @@
Opts.UsePredefines = !Args.hasArg(OPT_undef);
Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record);
Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch);
+
Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls);
+ for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args));
+ }
if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) {
llvm::StringRef Value(A->getValue(Args));