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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/Sema/struct-compat.c | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/Sema/struct-compat.c')
-rw-r--r-- | clang/test/Sema/struct-compat.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/clang/test/Sema/struct-compat.c b/clang/test/Sema/struct-compat.c new file mode 100644 index 0000000..65bef9f --- /dev/null +++ b/clang/test/Sema/struct-compat.c @@ -0,0 +1,17 @@ +/* RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify + */ + +extern struct {int a;} x; // expected-note {{previous definition is here}} +extern struct {int a;} x; // expected-error {{redefinition of 'x'}} + +struct x; +int a(struct x* b) { +// Per C99 6.7.2.3, since the outer and inner "struct x"es have different +// scopes, they don't refer to the same type, and are therefore incompatible +struct x {int a;} *c = b; // expected-warning {{incompatible pointer types}} +} + +struct x {int a;} r; +int b() { +struct x {char x;} s = r; // expected-error {{initializing 'struct x' with an expression of incompatible type 'struct x'}} +} |