Fixed template bracket linkage in while loop simplification

Ran AStyle

lib/checkbufferoverrun.cpp

@@ -701,15 +701,15 @@ void CheckBufferOverrun::valueFlowCheckArrayIndex(const Token * const tok, const
     // Declaration in global scope?
     if (tok->scope()->type == Scope::eGlobal)
         return;
-/*
-     {
-        const Token *parent = tok->astParent();
-        while (Token::Match(parent, "%var%|::|*|&"))
-            parent = parent->astParent();
-        if (parent && !Token::simpleMatch(parent, "="))
-            return;
-    }
-*/
+    /*
+         {
+            const Token *parent = tok->astParent();
+            while (Token::Match(parent, "%var%|::|*|&"))
+                parent = parent->astParent();
+            if (parent && !Token::simpleMatch(parent, "="))
+                return;
+        }
+    */
     // Taking address?
     bool addressOf = false;
     {

lib/checkother.cpp

@@ -2960,7 +2960,7 @@ void CheckOther::checkSuspiciousStringCompare()
             const std::string varname = varTok->expressionString();
 
             if (litTok->type() == Token::eString) {
-				if (_tokenizer->isC() || (var && var->isArrayOrPointer()))
+                if (_tokenizer->isC() || (var && var->isArrayOrPointer()))
                     suspiciousStringCompareError(tok, varname);
             } else if (litTok->originalName() == "'\\0'" && var && var->isPointer()) {
                 suspiciousStringCompareError_char(tok, varname);

lib/tokenize.cpp

@@ -5968,18 +5968,20 @@ void Tokenizer::simplifyIfAndWhileAssign()
 
                 for (tok2 = tok2->next(); tok2 && tok2 != tok; tok2 = tok2->previous()) {
                     tok3->insertToken(tok2->str());
-                    tok3->next()->varId(tok2->varId());
-
                     Token *newTok = tok3->next();
+
+                    newTok->varId(tok2->varId());
                     newTok->fileIndex(tok2->fileIndex());
                     newTok->linenr(tok2->linenr());
 
-                    // link() newly tokens manually
-                    if (Token::Match(newTok, "}|)|]")) {
-                        braces2.push(newTok);
-                    } else if (Token::Match(newTok, "{|(|[")) {
-                        Token::createMutualLinks(newTok, braces2.top());
-                        braces2.pop();
+                    // link() new tokens manually
+                    if (tok2->link()) {
+                        if (Token::Match(newTok, "}|)|]|>")) {
+                            braces2.push(newTok);
+                        } else {
+                            Token::createMutualLinks(newTok, braces2.top());
+                            braces2.pop();
+                        }
                     }
                 }
             }

test/testother.cpp

@@ -5328,22 +5328,22 @@ private:
               "return c == \"42\"[0];}", "test.c", false, true, false, false);
         ASSERT_EQUALS("", errout.str());
 
-		// 5639	String literal compared with char buffer in a struct
-		check("struct Example {\n"
-				"   char buffer[200];\n"
-				"};\n"
-				"void foo() {\n"
-				"   struct Example example;\n"
-				"   if (example.buffer == \"test\") ;\n"
-				"}\n", "test.cpp", false, true, false, false);
+        // 5639 String literal compared with char buffer in a struct
+        check("struct Example {\n"
+              "   char buffer[200];\n"
+              "};\n"
+              "void foo() {\n"
+              "   struct Example example;\n"
+              "   if (example.buffer == \"test\") ;\n"
+              "}\n", "test.cpp", false, true, false, false);
         ASSERT_EQUALS("[test.cpp:6]: (warning) String literal compared with variable 'example.buffer'. Did you intend to use strcmp() instead?\n", errout.str());
-		check("struct Example {\n"
-				"   char buffer[200];\n"
-				"};\n"
-				"void foo() {\n"
-				"   struct Example example;\n"
-				"   if (example.buffer == \"test\") ;\n"
-				"}\n", "test.c", false, true, false, false);
+        check("struct Example {\n"
+              "   char buffer[200];\n"
+              "};\n"
+              "void foo() {\n"
+              "   struct Example example;\n"
+              "   if (example.buffer == \"test\") ;\n"
+              "}\n", "test.c", false, true, false, false);
         ASSERT_EQUALS("[test.c:6]: (warning) String literal compared with variable 'example.buffer'. Did you intend to use strcmp() instead?\n", errout.str());
     }
 

test/testsimplifytokens.cpp

@@ -157,6 +157,7 @@ private:
         TEST_CASE(whileAssign1);
         TEST_CASE(whileAssign2);
         TEST_CASE(whileAssign3); // varid
+        TEST_CASE(whileAssign4); // links
         TEST_CASE(doWhileAssign); // varid
         TEST_CASE(test_4881); // similar to doWhileAssign (#4911), taken from #4881 with full code
 
@@ -2727,6 +2728,23 @@ private:
                       "4: }\n", tokenizeDebugListing(code, true, "test.c"));
     }
 
+    void whileAssign4() {
+        errout.str("");
+
+        Settings settings;
+        Tokenizer tokenizer(&settings, this);
+        std::istringstream istr("; while (!(m = q->push<Message>(x))) {}");
+        tokenizer.tokenize(istr, "test.cpp");
+        tokenizer.simplifyTokenList2();
+
+        ASSERT_EQUALS("; m = q . push < Message > ( x ) ; while ( ! m ) { m = q . push < Message > ( x ) ; }", tokenizer.tokens()->stringifyList(0, false));
+        ASSERT(tokenizer.tokens()->tokAt(26) != nullptr);
+        if (tokenizer.tokens()->tokAt(26)) {
+            ASSERT(tokenizer.tokens()->tokAt(6)->link() == tokenizer.tokens()->tokAt(8));
+            ASSERT(tokenizer.tokens()->tokAt(24)->link() == tokenizer.tokens()->tokAt(26));
+        }
+    }
+
     void doWhileAssign() {
         ASSERT_EQUALS("; do { a = b ; } while ( a ) ;", simplifyIfAndWhileAssign(";do { } while(a=b);"));
         ASSERT_EQUALS("; do { a . a = 0 ; a . b = c ; } while ( a . b ) ;", simplifyIfAndWhileAssign(";do { a.a = 0; } while(a.b=c);"));