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-rw-r--r--include/clang/Basic/DiagnosticSemaKinds.def6
-rw-r--r--lib/Sema/SemaType.cpp8
-rw-r--r--test/SemaObjC/protocol-archane.m8
-rw-r--r--test/SemaObjC/protocol-atttribute-1.m4
4 files changed, 19 insertions, 7 deletions
diff --git a/include/clang/Basic/DiagnosticSemaKinds.def b/include/clang/Basic/DiagnosticSemaKinds.def
index 2549df6b93..ab1ed60717 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.def
+++ b/include/clang/Basic/DiagnosticSemaKinds.def
@@ -1400,6 +1400,8 @@ DIAG(warn_objc_array_of_interfaces, WARNING,
"array of interface %0 should probably be an array of pointers")
DIAG(ext_c99_array_usage, EXTENSION,
"use of C99-specific array features, accepted as an extension")
-DIAG(warn_ignoring_objc_qualifiers, WARNING,
- "ignoring protocol qualifiers on non-ObjC type")
+DIAG(err_invalid_protocol_qualifiers, ERROR,
+ "invalid protocol qualifiers on non-ObjC type")
+DIAG(err_qualified_class_unsupported, ERROR,
+ "protocol qualified 'Class' is unsupported")
diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index acdeec6ba9..f8b277ae78 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -151,9 +151,13 @@ QualType Sema::ConvertDeclSpecToType(const DeclSpec &DS) {
// id<protocol-list>
Result = Context.getObjCQualifiedIdType((ObjCProtocolDecl**)PQ,
DS.getNumProtocolQualifiers());
- else
+ else if (Result == Context.getObjCClassType())
+ // Class<protocol-list>
Diag(DS.getSourceRange().getBegin(),
- diag::warn_ignoring_objc_qualifiers) << DS.getSourceRange();
+ diag::err_qualified_class_unsupported) << DS.getSourceRange();
+ else
+ Diag(DS.getSourceRange().getBegin(),
+ diag::err_invalid_protocol_qualifiers) << DS.getSourceRange();
}
// TypeQuals handled by caller.
break;
diff --git a/test/SemaObjC/protocol-archane.m b/test/SemaObjC/protocol-archane.m
index 2cba1fad05..647c5e74a6 100644
--- a/test/SemaObjC/protocol-archane.m
+++ b/test/SemaObjC/protocol-archane.m
@@ -26,4 +26,10 @@ void foo(id x) {
typedef int NotAnObjCObjectType;
// GCC doesn't diagnose this.
-NotAnObjCObjectType <SomeProtocol> *obj; // expected-warning {{ignoring protocol qualifiers on non-ObjC type}}
+NotAnObjCObjectType <SomeProtocol> *obj; // expected-error {{invalid protocol qualifiers on non-ObjC type}}
+
+// Decided not to support the following GCC extension. Found while researching rdar://6497631
+typedef struct objc_class *Class;
+
+Class <SomeProtocol> UnfortunateGCCExtension; // expected-error {{protocol qualified 'Class' is unsupported}}
+
diff --git a/test/SemaObjC/protocol-atttribute-1.m b/test/SemaObjC/protocol-atttribute-1.m
index 1d3aec64c4..1934091fe9 100644
--- a/test/SemaObjC/protocol-atttribute-1.m
+++ b/test/SemaObjC/protocol-atttribute-1.m
@@ -3,7 +3,7 @@
__attribute ((unavailable))
@protocol FwProto; // expected-note{{marked unavailable}}
-Class <FwProto> cFw = 0; // expected-warning {{'FwProto' is unavailable}} expected-warning{{ignoring protocol qualifiers on non-ObjC type}}
+Class <FwProto> cFw = 0; // expected-warning {{'FwProto' is unavailable}} expected-error{{protocol qualified 'Class' is unsupported}}
__attribute ((deprecated)) @protocol MyProto1
@@ -31,7 +31,7 @@ __attribute ((deprecated)) @protocol MyProto1
-Class <MyProto1> clsP1 = 0; // expected-warning {{'MyProto1' is deprecated}} expected-warning{{ignoring protocol qualifiers on non-ObjC type}}
+Class <MyProto1> clsP1 = 0; // expected-warning {{'MyProto1' is deprecated}} expected-error{{protocol qualified 'Class' is unsupported}}
@protocol FwProto @end // expected-note{{marked unavailable}}