From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/SemaCXX/warn-bool-conversion.cpp | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 clang/test/SemaCXX/warn-bool-conversion.cpp (limited to 'clang/test/SemaCXX/warn-bool-conversion.cpp') diff --git a/clang/test/SemaCXX/warn-bool-conversion.cpp b/clang/test/SemaCXX/warn-bool-conversion.cpp new file mode 100644 index 0000000..b3d136e --- /dev/null +++ b/clang/test/SemaCXX/warn-bool-conversion.cpp @@ -0,0 +1,24 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +int* j = false; // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}} + +void foo(int* i, int *j=(false)) // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}} +{ + foo(false); // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}} + foo((int*)false); // no-warning: explicit cast + foo(0); // no-warning: not a bool, even though its convertible to bool + + foo(false == true); // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}} + foo((42 + 24) < 32); // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}} + + const bool kFlag = false; + foo(kFlag); // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}} +} + +char f(struct Undefined*); +double f(...); + +// Ensure that when using false in metaprogramming machinery its conversion +// isn't flagged. +template struct S {}; +S s; -- cgit v1.2.3