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3 Commits

Author SHA1 Message Date
Doug Gregor
7d1a2e8339 Reinstate "Implement support for Clang's objc_runtime_visible attribute." 
When a Clang-defined Objective-C class has the objc_runtime_visible
attribute, use objc_lookUpClass to get the Objective-C class object
rather than referencing the symbol directly. Also, ban subclassing of
Objective-C-runtime-visible classes as well as @objc on members of
extensions of such classes.

As a drive-by needed for this test, make
ClassDecl::getObjCRuntimeName() respect the Clang objc_runtime_name
attribute.

Fixes rdar://problem/25494454.

Fix an i32 vs. 64 issue in the IR matching for the IR generation test.

This reverts commit 09973e6956.
 2016-04-02 20:10:32 -07:00
Ted Kremenek
09973e6956 Revert "Implement support for Clang's objc_runtime_visible attribute." 
This reverts commit 2c1f19a547.

This appears to be breaking all the iOS bots.
 2016-04-02 07:33:14 -07:00
Doug Gregor
2c1f19a547 Implement support for Clang's objc_runtime_visible attribute. 
When a Clang-defined Objective-C class has the objc_runtime_visible
attribute, use objc_lookUpClass to get the Objective-C class object
rather than referencing the symbol directly. Also, ban subclassing of
Objective-C-runtime-visible classes as well as @objc on members of
extensions of such classes.

As a drive-by needed for this test, make
ClassDecl::getObjCRuntimeName() respect the Clang objc_runtime_name
attribute.

Fixes rdar://problem/25494454.
 2016-04-01 23:07:21 -07:00