[Sema][ObjC] perform-selector ARC check should see @selector in parens
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@295674 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 269fdd27b59fe7af6a75e5343a23ac3305314782)
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index 0cca290..d05e09f 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -2969,7 +2969,8 @@
case OMF_performSelector:
if (Method && NumArgs >= 1) {
- if (ObjCSelectorExpr *SelExp = dyn_cast<ObjCSelectorExpr>(Args[0])) {
+ if (const auto *SelExp =
+ dyn_cast<ObjCSelectorExpr>(Args[0]->IgnoreParens())) {
Selector ArgSel = SelExp->getSelector();
ObjCMethodDecl *SelMethod =
LookupInstanceMethodInGlobalPool(ArgSel,
diff --git a/test/SemaObjC/arc-peformselector.m b/test/SemaObjC/arc-peformselector.m
index dec09e3..80fd6d8 100644
--- a/test/SemaObjC/arc-peformselector.m
+++ b/test/SemaObjC/arc-peformselector.m
@@ -27,6 +27,7 @@
return [self performSelector : @selector(init)];
return [self performSelector : sel1]; // expected-warning {{performSelector may cause a leak because its selector is unknown}} \
// expected-note {{used here}}
+ return [self performSelector: (@selector(PlusZero))];
return [self performSelector : @selector(PlusZero)];
return [self performSelector : @selector(PlusOne)]; // expected-error {{performSelector names a selector which retains the object}}
