diff options
Diffstat (limited to 'clang/lib/Sema/SemaDecl.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index 62262bc60b5..abd63198d47 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -2995,8 +2995,12 @@ Sema::ActOnVariableDeclarator(Scope *S, Declarator &D, DeclContext *DC, if (Expr *E = (Expr*)D.getAsmLabel()) { // The parser guarantees this is a string. StringLiteral *SE = cast<StringLiteral>(E); + llvm::StringRef Label = SE->getString(); + if (S->getFnParent() != 0 && + !Context.Target.isValidGCCRegisterName(Label)) + Diag(E->getExprLoc(), diag::err_asm_unknown_register_name) << Label; NewVD->addAttr(::new (Context) AsmLabelAttr(SE->getStrTokenLoc(0), - Context, SE->getString())); + Context, Label)); } // Diagnose shadowed variables before filtering for scope. |
