From 952eddef9aff85b1e92626e89baaf7a360e2ac85 Mon Sep 17 00:00:00 2001 From: dim Date: Sun, 22 Dec 2013 00:07:40 +0000 Subject: Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3): https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841 --- test/SemaCXX/self-comparison.cpp | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 test/SemaCXX/self-comparison.cpp (limited to 'test/SemaCXX/self-comparison.cpp') diff --git a/test/SemaCXX/self-comparison.cpp b/test/SemaCXX/self-comparison.cpp new file mode 100644 index 0000000..fb15ec8 --- /dev/null +++ b/test/SemaCXX/self-comparison.cpp @@ -0,0 +1,23 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +int foo(int x) { + return x == x; // expected-warning {{self-comparison always evaluates to true}} +} + +struct X { + bool operator==(const X &x); +}; + +struct A { + int x; + X x2; + int a[3]; + int b[3]; + bool f() { return x == x; } // expected-warning {{self-comparison always evaluates to true}} + bool g() { return x2 == x2; } // no-warning + bool h() { return a == b; } // expected-warning {{array comparison always evaluates to false}} + bool i() { + int c[3]; + return a == c; // expected-warning {{array comparison always evaluates to false}} + } +}; -- cgit v1.1