From 636bf75799daf68b1ad418ea371f5a996ce896f5 Mon Sep 17 00:00:00 2001
From: PKEuS <philipp.kloke@web.de>
Date: Mon, 26 Oct 2015 13:29:47 +0100
Subject: [PATCH] Fixed crash on garbage code (#7074)

---
 lib/token.cpp        | 2 +-
 test/testgarbage.cpp | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/token.cpp b/lib/token.cpp
index d63f04b3d..a5f028f88 100644
--- a/lib/token.cpp
+++ b/lib/token.cpp
@@ -1158,7 +1158,7 @@ bool Token::isUnaryPreOp() const
         return true;
     const Token *tokbefore = _previous;
     const Token *tokafter = _next;
-    for (int distance = 1; distance < 10; distance++) {
+    for (int distance = 1; distance < 10 && tokbefore; distance++) {
         if (tokbefore == _astOperand1)
             return false;
         if (tokafter == _astOperand1)
diff --git a/test/testgarbage.cpp b/test/testgarbage.cpp
index baa1890b0..a7787086d 100644
--- a/test/testgarbage.cpp
+++ b/test/testgarbage.cpp
@@ -193,6 +193,7 @@ private:
         TEST_CASE(garbageCode142); // #7050
         TEST_CASE(garbageCode143); // #6922
         TEST_CASE(garbageCode144); // #6865
+        TEST_CASE(garbageCode145); // #7074
 
         TEST_CASE(garbageValueFlow);
         TEST_CASE(garbageSymbolDatabase);
@@ -1138,6 +1139,10 @@ private:
         //ASSERT_THROW(checkCode("template < typename > struct A { } ; template < typename > struct A < INVALID > : A < int[ > { }] ;"), InternalError);
     }
 
+    void garbageCode145() { // #7074
+        checkCode("++4++ +  + E++++++++++ + ch " "tp.oed5[.]");
+    }
+
     void garbageValueFlow() {
         // #6089
         const char* code = "{} int foo(struct, x1, struct x2, x3, int, x5, x6, x7)\n"