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/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 79dc441..a175ce5 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -475,6 +475,8 @@
HelpText<"Disable validation of precompiled headers">;
def dump_deserialized_pch_decls : Flag<"-dump-deserialized-decls">,
HelpText<"Dump declarations that are deserialized from PCH, for testing">;
+def error_on_deserialized_pch_decl : Separate<"-error-on-deserialized-decl">,
+ HelpText<"Emit error if a specific declaration is deserialized from PCH, for testing">;
def fshort_wchar : Flag<"-fshort-wchar">,
HelpText<"Force wchar_t to be a short unsigned int">;
def fshort_enums : Flag<"-fshort-enums">,
diff --git a/include/clang/Frontend/PreprocessorOptions.h b/include/clang/Frontend/PreprocessorOptions.h
index 34b49e1..2a540b6 100644
--- a/include/clang/Frontend/PreprocessorOptions.h
+++ b/include/clang/Frontend/PreprocessorOptions.h
@@ -15,6 +15,7 @@
#include <string>
#include <utility>
#include <vector>
+#include <set>
namespace llvm {
class MemoryBuffer;
@@ -50,6 +51,10 @@
/// \brief Dump declarations that are deserialized from PCH, for testing.
bool DumpDeserializedPCHDecls;
+ /// \brief This is a set of names for decls that we do not want to be
+ /// deserialized, and we emit an error if they are; for testing purposes.
+ std::set<std::string> DeserializedPCHDeclsToErrorOn;
+
/// \brief If non-zero, the implicit PCH include is actually a precompiled
/// preamble that covers this number of bytes in the main source file.
///