[cfe-commits] r120872 - in /cfe/trunk: lib/Sema/SemaDeclAttr.cpp test/Sema/warn-unused-function.c

[Argyrios Kyrtzidis]

Author: akirtzidis
Date: Fri Dec  3 19:12:11 2010
New Revision: 120872

URL: http://llvm.org/viewvc/llvm-project?rev=120872&view=rev
Log:
Mark functions referenced by 'cleanup' attribute as used. Fixes rdar://8728293

Modified:
    cfe/trunk/lib/Sema/SemaDeclAttr.cpp
    cfe/trunk/test/Sema/warn-unused-function.c

Modified: cfe/trunk/lib/Sema/SemaDeclAttr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclAttr.cpp?rev=120872&r1=120871&r2=120872&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDeclAttr.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDeclAttr.cpp Fri Dec  3 19:12:11 2010
@@ -1450,6 +1450,7 @@
   }
 
   d->addAttr(::new (S.Context) CleanupAttr(Attr.getLoc(), S.Context, FD));
+  FD->setUsed();
 }
 
 /// Handle __attribute__((format_arg((idx)))) attribute based on

Modified: cfe/trunk/test/Sema/warn-unused-function.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/warn-unused-function.c?rev=120872&r1=120871&r2=120872&view=diff
==============================================================================
--- cfe/trunk/test/Sema/warn-unused-function.c (original)
+++ cfe/trunk/test/Sema/warn-unused-function.c Fri Dec  3 19:12:11 2010
@@ -47,3 +47,10 @@
 
 // PR7923
 static void unused(void) { unused(); }  // expected-warning{{unused}}
+
+// rdar://8728293
+static void cleanupMalloc(char * const * const allocation) { }
+void f13(void) {
+  char * const __attribute__((cleanup(cleanupMalloc))) a;
+  (void)a;
+}