Fix PR13411: Comment parsing: failed assertion on unterminated verbatim block.

The assertion was wrong in case we have a verbatim block without a closing
command.

Also add tests for closing command name in a verbatim block, since now it can
be empty in such cases.

llvm-svn: 160568

1 files changed, 10 insertions, 5 deletions

diff --git a/clang/lib/AST/CommentParser.cpp b/clang/lib/AST/CommentParser.cpp
index d4b97087782..6b7e0ab49d4 100644
--- a/clang/lib/AST/CommentParser.cpp
+++ b/clang/lib/AST/CommentParser.cpp
@@ -378,11 +378,16 @@ VerbatimBlockComment *Parser::parseVerbatimBlock() {
     Lines.push_back(Line);
   }
 
-  assert(Tok.is(tok::verbatim_block_end));
-  VB = S.actOnVerbatimBlockFinish(VB, Tok.getLocation(),
-                                  Tok.getVerbatimBlockName(),
-                                  copyArray(llvm::makeArrayRef(Lines)));
-  consumeToken();
+  if (Tok.is(tok::verbatim_block_end)) {
+    VB = S.actOnVerbatimBlockFinish(VB, Tok.getLocation(),
+                                    Tok.getVerbatimBlockName(),
+                                    copyArray(llvm::makeArrayRef(Lines)));
+    consumeToken();
+  } else {
+    // Unterminated \\verbatim block
+    VB = S.actOnVerbatimBlockFinish(VB, SourceLocation(), "",
+                                    copyArray(llvm::makeArrayRef(Lines)));
+  }
 
   return VB;
 }