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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/SemaTemplate/self-comparison.cpp | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/SemaTemplate/self-comparison.cpp')
-rw-r--r-- | clang/test/SemaTemplate/self-comparison.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/self-comparison.cpp b/clang/test/SemaTemplate/self-comparison.cpp new file mode 100644 index 0000000..50ab660 --- /dev/null +++ b/clang/test/SemaTemplate/self-comparison.cpp @@ -0,0 +1,48 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +template <int A, int B> void foo() { + (void)(A == A); // expected-warning {{self-comparison always evaluates to true}} + (void)(A == B); +} +template <int A, int B> struct S1 { + void foo() { + (void)(A == A); // expected-warning {{self-comparison always evaluates to true}} + (void)(A == B); + } +}; + +template <int A, int B> struct S2 { + template <typename T> T foo() { + (void)(A == A); // expected-warning {{self-comparison always evaluates to true}} + (void)(A == B); + } +}; + +struct S3 { + template <int A, int B> void foo() { + (void)(A == A); // expected-warning {{self-comparison always evaluates to true}} + (void)(A == B); + } +}; + +template <int A> struct S4 { + template <int B> void foo() { + (void)(A == A); // expected-warning {{self-comparison always evaluates to true}} + (void)(A == B); + } +}; + +const int N = 42; +template <int X> void foo2() { + (void)(X == N); + (void)(N == X); +} + +void test() { + foo<1, 1>(); + S1<1, 1> s1; s1.foo(); + S2<1, 1> s2; s2.foo<void>(); + S3 s3; s3.foo<1, 1>(); + S4<1> s4; s4.foo<1>(); + foo2<N>(); +} |