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| author | Eli Friedman <eli.friedman@gmail.com> | 2010-07-17 20:43:49 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2010-07-17 20:43:49 +0000 |
| commit | e98194d9e8d2ede5eeaa4de411ffe1697ed6a40e (patch) | |
| tree | a3f538fdf054f07e069c8831f0f6ea2156537f35 /clang/test/Sema/cast-incomplete.c | |
| parent | 2155e6539e0c75481f655efc7fb9406d034db3a2 (diff) | |
| download | bcm5719-llvm-e98194d9e8d2ede5eeaa4de411ffe1697ed6a40e.tar.gz bcm5719-llvm-e98194d9e8d2ede5eeaa4de411ffe1697ed6a40e.zip | |
Check for casts to an incomplete type in C. Improves diagnostics for cast to
incomplete union (PR5692) and incomplete enum, and fixes obscure
accepts-invalid on cast to incomplete struct.
llvm-svn: 108630
Diffstat (limited to 'clang/test/Sema/cast-incomplete.c')
| -rw-r--r-- | clang/test/Sema/cast-incomplete.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/clang/test/Sema/cast-incomplete.c b/clang/test/Sema/cast-incomplete.c new file mode 100644 index 00000000000..dd10e00d444 --- /dev/null +++ b/clang/test/Sema/cast-incomplete.c @@ -0,0 +1,14 @@ +// RUN: %clang_cc1 -fsyntax-only %s -verify +// PR5692 + +enum x; // expected-note {{forward declaration}} +extern struct y a; // expected-note {{forward declaration}} +extern union z b; // expected-note 2 {{forward declaration}} + +void foo() { + (enum x)1; // expected-error {{cast to incomplete type}} + (struct y)a; // expected-error {{cast to incomplete type}} + (union z)b; // expected-error {{cast to incomplete type}} + (union z)1; // expected-error {{cast to incomplete type}} +} + |
