[PATCH] D99936: [clang][parser] Unify rejecting (non) decl stmt with gnu attributes

[Timm Bäder via Phabricator via cfe-commits]

tbaeder updated this revision to Diff 338459.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99936/new/

https://reviews.llvm.org/D99936

Files:
  clang/lib/Parse/ParseStmt.cpp
  clang/test/SemaCXX/warn-unused-label-error.cpp


Index: clang/test/SemaCXX/warn-unused-label-error.cpp
===================================================================
--- clang/test/SemaCXX/warn-unused-label-error.cpp
+++ clang/test/SemaCXX/warn-unused-label-error.cpp
@@ -12,8 +12,8 @@
 
   void g() {
     C: // unused label 'C' will not appear here because an error has occurred
-      __attribute__((unused))
-      #pragma weak unused_local_static  // expected-error {{expected ';' after __attribute__}}
+      __attribute__((unused)) // expected-error {{an attribute list cannot appear here}}
+      #pragma weak unused_local_static
       ;
   }
 
Index: clang/lib/Parse/ParseStmt.cpp
===================================================================
--- clang/lib/Parse/ParseStmt.cpp
+++ clang/lib/Parse/ParseStmt.cpp
@@ -648,18 +648,12 @@
     // attributes as part of a statement in that case). That looks like a bug.
     if (!getLangOpts().CPlusPlus || Tok.is(tok::semi))
       attrs.takeAllFrom(TempAttrs);
-    else if (isDeclarationStatement()) {
+    else {
       StmtVector Stmts;
-      // FIXME: We should do this whether or not we have a declaration
-      // statement, but that doesn't work correctly (because ProhibitAttributes
-      // can't handle GNU attributes), so only call it in the one case where
-      // GNU attributes are allowed.
       SubStmt = ParseStatementOrDeclarationAfterAttributes(Stmts, StmtCtx,
                                                            nullptr, TempAttrs);
       if (!TempAttrs.empty() && !SubStmt.isInvalid())
         SubStmt = Actions.ActOnAttributedStmt(TempAttrs, SubStmt.get());
-    } else {
-      Diag(Tok, diag::err_expected_after) << "__attribute__" << tok::semi;
     }
   }
 


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