[cfe-commits] r146169 - /cfe/trunk/test/SemaCXX/warn-func-as-bool.cpp

Lang Hames lhames at gmail.com
Thu Dec 8 11:26:24 PST 2011


Author: lhames
Date: Thu Dec  8 13:26:24 2011
New Revision: 146169

URL: http://llvm.org/viewvc/llvm-project?rev=146169&view=rev
Log:
Added missing testcase from r145849. Thanks to Dave Blaikie for catching this.

Added:
    cfe/trunk/test/SemaCXX/warn-func-as-bool.cpp

Added: cfe/trunk/test/SemaCXX/warn-func-as-bool.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/warn-func-as-bool.cpp?rev=146169&view=auto
==============================================================================
--- cfe/trunk/test/SemaCXX/warn-func-as-bool.cpp (added)
+++ cfe/trunk/test/SemaCXX/warn-func-as-bool.cpp Thu Dec  8 13:26:24 2011
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -x c++ -verify -fsyntax-only %s
+
+void f1();
+
+struct S {
+  static void f2();
+};
+
+extern void f3() __attribute__((weak_import));
+
+struct S2 {
+  static void f4() __attribute__((weak_import));
+};
+
+void bar() {
+  bool b;
+
+  b = f1; // expected-warning {{address of function 'f1' will always evaluate to 'true'}}
+  if (f1) {} // expected-warning {{address of function 'f1' will always evaluate to 'true'}}
+  b = S::f2; // expected-warning {{address of function 'S::f2' will always evaluate to 'true'}}
+  if (S::f2) {} // expected-warning {{address of function 'S::f2' will always evaluate to 'true'}}
+
+  // implicit casts of weakly imported symbols are ok:
+  b = f3;
+  if (f3) {}
+  b = S2::f4;
+  if (S2::f4) {}
+}





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