diff options
author | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
---|---|---|
committer | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
commit | b35a2aa71f76a334a9c98c0a3c3995b5d902d2b9 (patch) | |
tree | cdff4a5d1a715d4ad622fd8f190128b54bebe440 /test/SemaObjCXX/warn-implicit-self-in-block.mm | |
parent | 3748d41833787fcbf59cc5624e8d2b042a8991bc (diff) | |
parent | 741e05796da92b46d4f7bcbee00702ff37df6489 (diff) |
Creating branches/google/stable and tags/google/stable/2019-05-14 from r360103upstream/google/stable
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/google/stable@360714 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/SemaObjCXX/warn-implicit-self-in-block.mm')
-rw-r--r-- | test/SemaObjCXX/warn-implicit-self-in-block.mm | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/SemaObjCXX/warn-implicit-self-in-block.mm b/test/SemaObjCXX/warn-implicit-self-in-block.mm new file mode 100644 index 0000000000..4842b4b10b --- /dev/null +++ b/test/SemaObjCXX/warn-implicit-self-in-block.mm @@ -0,0 +1,42 @@ +// RUN: %clang_cc1 -x objective-c++ -std=c++11 -fobjc-arc -fblocks -Wimplicit-retain-self -verify %s +// rdar://11194874 + +typedef void (^BlockTy)(); + +void noescapeFunc(__attribute__((noescape)) BlockTy); +void escapeFunc(BlockTy); + +@interface Root @end + +@interface I : Root +{ + int _bar; +} +@end + +@implementation I + - (void)foo{ + ^{ + _bar = 3; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}} + }(); + } + + - (void)testNested{ + noescapeFunc(^{ + (void)_bar; + escapeFunc(^{ + (void)_bar; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}} + noescapeFunc(^{ + (void)_bar; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}} + }); + (void)_bar; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}} + }); + (void)_bar; + }); + } + + - (void)testLambdaInBlock{ + noescapeFunc(^{ [&](){ (void)_bar; }(); }); + escapeFunc(^{ [&](){ (void)_bar; }(); }); // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}} + } +@end |