PR10458: Last part of providing 'auto' type specifier as an extension in C++98: permit it within type-ids.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139103 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index ad649a3c22..4928bde002 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -2265,7 +2265,11 @@ bool Parser::ParseOptionalTypeSpecifier(DeclSpec &DS, bool& isInvalid,
 
   // C++0x auto support.
   case tok::kw_auto:
-    if (!getLang().CPlusPlus0x)
+    // This is only called in situations where a storage-class specifier is
+    // illegal, so we can assume an auto type specifier was intended even in
+    // C++98. In C++98 mode, DeclSpec::Finish will produce an appropriate
+    // extension diagnostic.
+    if (!getLang().CPlusPlus)
       return false;
 
     isInvalid = DS.SetTypeSpecType(DeclSpec::TST_auto, Loc, PrevSpec, DiagID);