diff options
Diffstat (limited to 'clang/test/Sema/attr-alias-cycle.c')
| -rw-r--r-- | clang/test/Sema/attr-alias-cycle.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/Sema/attr-alias-cycle.c b/clang/test/Sema/attr-alias-cycle.c new file mode 100644 index 00000000000..ce024c3bd89 --- /dev/null +++ b/clang/test/Sema/attr-alias-cycle.c @@ -0,0 +1,16 @@ +// RUN: %clang_cc1 -triple x86_64-pc-linux -fsyntax-only -verify -emit-llvm-only %s + +// FIXME: The attributes use mangled names. Since we only keep a mapping from +// mangled name to llvm GlobalValue, we don't see the clang level decl for +// an alias target when constructing the alias. Given that and that alias cycles +// are not representable in LLVM, we only note the issues when the cycle is +// first formed. + +// FIXME: This error is detected early in CodeGen. Once the first error is +// found, Diags.hasErrorOccurred() returs true and we stop the codegen of the +// file. The consequence is that we don't find any subsequent error. + +void f1() __attribute__((alias("g1"))); +void g1() __attribute__((alias("f1"))); // expected-error {{alias definition is part of a cycle}} + +void h1() __attribute__((alias("g1"))); |
