Tighten up the specification to allow TableGen/nested-comment.td to pass
(fixing a bug where / in a /* */ comment would cause it to not close).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23248 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/FileLexer.l b/utils/TableGen/FileLexer.l
index a433587..caed04e 100644
--- a/utils/TableGen/FileLexer.l
+++ b/utils/TableGen/FileLexer.l
@@ -214,10 +214,10 @@
"/*" { BEGIN(comment); CommentDepth++; }
-<comment>[^*/]* /* eat anything that's not a '*' or '/' */
-<comment>"*"+[^*/]* /* eat up '*'s not followed by '/'s */
+<comment>[^*/]* {} /* eat anything that's not a '*' or '/' */
+<comment>"*"+[^*/]* {} /* eat up '*'s not followed by '/'s */
<comment>"/*" { ++CommentDepth; }
-<comment>"/"+[^*]* /* eat up /'s not followed by *'s */
+<comment>"/"+[^*/]* {} /* eat up /'s not followed by *'s */
<comment>"*"+"/" { if (!--CommentDepth) { BEGIN(INITIAL); } }
<comment><<EOF>> { err() << "Unterminated comment!\n"; exit(1); }