From d33516ef32d258945fd5ec8bb4c3205e1adeb252 Mon Sep 17 00:00:00 2001
From: Manuel Klimek <klimek@google.com>
Date: Wed, 23 Jan 2013 10:09:28 +0000
Subject: [PATCH] Fix segfaults in the formatter.

Also: expletive deleted.
llvm-svn: 173247
---
 clang/lib/Format/Format.cpp           | 4 ++--
 clang/unittests/Format/FormatTest.cpp | 7 ++++++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index bdcf5b6..90bcf6f 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -1049,7 +1049,7 @@ public:
         break;
       case tok::kw_if:
       case tok::kw_while:
-        if (CurrentToken->is(tok::l_paren)) {
+        if (CurrentToken != NULL && CurrentToken->is(tok::l_paren)) {
           next();
           if (!parseParens(/*LookForDecls=*/true))
             return false;
@@ -1088,7 +1088,7 @@ public:
         Tok->Type = TT_BinaryOperator;
         break;
       case tok::kw_operator:
-        if (CurrentToken->is(tok::l_paren)) {
+        if (CurrentToken != NULL && CurrentToken->is(tok::l_paren)) {
           CurrentToken->Type = TT_OverloadedOperator;
           next();
           if (CurrentToken != NULL && CurrentToken->is(tok::r_paren)) {
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index c1c1696..fb5221e 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -1679,11 +1679,16 @@ TEST_F(FormatTest, BlockComments) {
                    "/* */someCall(parameter);", getLLVMStyleWithColumns(15)));
 }
 
-TEST_F(FormatTest, Fuck) {
+TEST_F(FormatTest, FormatStarDependingOnContext) {
   verifyFormat("void f(int *a);");
   verifyFormat("void f() { f(fint * b); }");
 }
 
+TEST_F(FormatTest, SpecialTokensAtEndOfLine) {
+  verifyFormat("while");
+  verifyFormat("operator");
+}
+
 //===----------------------------------------------------------------------===//
 // Objective-C tests.
 //===----------------------------------------------------------------------===//
-- 
2.7.4