[clang][IFS] Fixing assert in clang interface stubs for enums, records, typedefs

The clang IFS ASTConsumer was asserting on enums, records (struct definitions in
C), and typedefs. All it needs to do is skip them because the stub just needs to
expose global object instances and functions.

Differential Revision: https://reviews.llvm.org/D68859

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@374573 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Frontend/InterfaceStubFunctionsConsumer.cpp b/lib/Frontend/InterfaceStubFunctionsConsumer.cpp
index 73584eb98df3dac2d7cf9a35d7d36765bb720220..5e6cc65e021ac07b854a6e161bfa570abf5c9dfe 100644 (file)
--- a/lib/Frontend/InterfaceStubFunctionsConsumer.cpp
+++ b/lib/Frontend/InterfaceStubFunctionsConsumer.cpp
@@ -177,6 +177,10 @@ class InterfaceStubFunctionsConsumer : public ASTConsumer {
       HandleTemplateSpecializations(*cast<FunctionTemplateDecl>(ND), Symbols,
                                     RDO);
       return true;
+    case Decl::Kind::Record:
+    case Decl::Kind::Typedef:
+    case Decl::Kind::Enum:
+    case Decl::Kind::EnumConstant:
     case Decl::Kind::TemplateTypeParm:
       return true;
     case Decl::Kind::Var:

diff --git a/test/InterfaceStubs/noninstancetypes.c b/test/InterfaceStubs/noninstancetypes.c
new file mode 100644 (file)
index 0000000..ad80aa6
--- /dev/null
+++ b/test/InterfaceStubs/noninstancetypes.c
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -o - -emit-interface-stubs %s | FileCheck %s
+// TODO: Change clang_cc1 to clang when llvm-ifs can accept empty symbol lists.
+
+// CHECK:      Symbols:
+// CHECK-NEXT: ...
+
+struct a;
+enum { b };
+typedef int c;
+