diff options
Diffstat (limited to 'clang/lib/Sema/SemaDecl.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index d8b6f45e37a..b233021c42b 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -1742,7 +1742,13 @@ Sema::ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC, // C99 6.9p2: The storage-class specifiers auto and register shall not // appear in the declaration specifiers in an external declaration. if (SC == VarDecl::Auto || SC == VarDecl::Register) { - Diag(D.getIdentifierLoc(), diag::err_typecheck_sclass_fscope); + + // If this is a register variable with an asm label specified, then this + // is a GNU extension. + if (SC == VarDecl::Register && D.getAsmLabel()) + Diag(D.getIdentifierLoc(), diag::err_unsupported_global_register); + else + Diag(D.getIdentifierLoc(), diag::err_typecheck_sclass_fscope); D.setInvalidType(); } } |
