From 04cd261ee246cf2944296636135cc7567e2192fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <daniel.marjamaki@gmail.com>
Date: Mon, 21 Apr 2014 10:32:29 +0200
Subject: [PATCH] Fixed #5664 (false positive: (error) Uninitialized variable:
 j (Comma operator in for loop))

---
 lib/checkuninitvar.cpp | 4 +++-
 test/testuninitvar.cpp | 8 ++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/checkuninitvar.cpp b/lib/checkuninitvar.cpp
index 082030325..b1d70ea4e 100644
--- a/lib/checkuninitvar.cpp
+++ b/lib/checkuninitvar.cpp
@@ -1602,7 +1602,7 @@ bool CheckUninitVar::checkLoopBody(const Token *tok, const Variable& var, const
                     bool assign = true;
                     if (tok->strAt(1) == "=") {
                         unsigned int indentlevel = 0; // Handle '(a=1)..'
-                        for (const Token *tok2 = tok->next(); tok2 && tok2->str() != ";"; tok2 = tok2->next()) {
+                        for (const Token *tok2 = tok->next(); tok2; tok2 = tok2->next()) {
                             if (tok2->varId() == var.declarationId()) {
                                 assign = false;
                                 break;
@@ -1615,6 +1615,8 @@ bool CheckUninitVar::checkLoopBody(const Token *tok, const Variable& var, const
                                 if (indentlevel <= 1U)
                                     break;
                                 --indentlevel;
+                            } else if (tok2->str() == ";" || tok2->str() == ",") {
+                                break;
                             }
                         }
                     }
diff --git a/test/testuninitvar.cpp b/test/testuninitvar.cpp
index 66505bfae..89d19c5cb 100644
--- a/test/testuninitvar.cpp
+++ b/test/testuninitvar.cpp
@@ -3274,6 +3274,14 @@ private:
                         "    }\n"
                         "}");
         ASSERT_EQUALS("", errout.str());
+
+        checkUninitVar2("void f(void) {\n"
+                        "  int i;\n"
+                        "  while (x) {\n"
+                        "    for (i=0,y=i;;){}\n"
+                        "  }\n"
+                        "}");
+        ASSERT_EQUALS("", errout.str());
     }
 
     void uninitvar2_4494() {