diff options
Diffstat (limited to 'clang/test/CXX/basic/basic.def.odr/p1-var.cpp')
| -rw-r--r-- | clang/test/CXX/basic/basic.def.odr/p1-var.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/clang/test/CXX/basic/basic.def.odr/p1-var.cpp b/clang/test/CXX/basic/basic.def.odr/p1-var.cpp new file mode 100644 index 0000000..892f546 --- /dev/null +++ b/clang/test/CXX/basic/basic.def.odr/p1-var.cpp @@ -0,0 +1,21 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +// C++ [basic.def.odr]p1: +// No translation unit shall contain more than one definition of any +// variable, [...]. + +// Bad: in C++, these are both definitions. None of that C99 tentative stuff. +int i; // expected-note {{previous}} +int i; // expected-error {{redefinition}} + +// OK: decl + def +extern int j; +int j; + +// OK: def + decl +int k; +extern int k; + +// Bad. The important thing here is that we don't emit the diagnostic twice. +int l = 1; // expected-note {{previous}} +int l = 2; // expected-error {{redefinition}} |