objc - fix up the builtin type for objc_assign_ivar.
// rdar://9362887.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138412 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/Builtins.def b/include/clang/Basic/Builtins.def
index f45ca44..d12a04d 100644
--- a/include/clang/Basic/Builtins.def
+++ b/include/clang/Basic/Builtins.def
@@ -35,6 +35,7 @@
// A -> "reference" to __builtin_va_list
// V -> Vector, following num elements and a base type.
// X -> _Complex, followed by the base type.
+// Y -> ptrdiff_t
// P -> FILE
// J -> jmp_buf
// SJ -> sigjmp_buf
@@ -690,8 +691,7 @@
// id objc_assign_weak(id value, id *location)
LIBBUILTIN(objc_assign_weak, "GGG*", "f", "/objc/objc-auto.h", OBJC_LANG)
// id objc_assign_ivar(id value, id dest, ptrdiff_t offset)
-// FIXME. Darwin has ptrdiff_t typedef'ed to int.
-LIBBUILTIN(objc_assign_ivar, "GGGi", "f", "/objc/objc-auto.h", OBJC_LANG)
+LIBBUILTIN(objc_assign_ivar, "GGGY", "f", "/objc/objc-auto.h", OBJC_LANG)
// id objc_assign_global(id val, id *dest)
LIBBUILTIN(objc_assign_global, "GGG*", "f", "/objc/objc-auto.h", OBJC_LANG)
// id objc_assign_strongCast(id val, id *dest
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 1b2c5cf..75a573e 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -6140,7 +6140,11 @@
assert(!RequiresICE && "Can't require complex ICE");
Type = Context.getComplexType(ElementType);
break;
- }
+ }
+ case 'Y' : {
+ Type = Context.getPointerDiffType();
+ break;
+ }
case 'P':
Type = Context.getFILEType();
if (Type.isNull()) {
diff --git a/test/SemaObjC/builtin_objc_assign_ivar.m b/test/SemaObjC/builtin_objc_assign_ivar.m
new file mode 100644
index 0000000..5839bf4
--- /dev/null
+++ b/test/SemaObjC/builtin_objc_assign_ivar.m
@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -x objective-c %s -fsyntax-only -verify
+// rdar://9362887
+
+typedef __typeof__(((int*)0)-((int*)0)) ptrdiff_t;
+extern id objc_assign_ivar(id value, id dest, ptrdiff_t offset);
+