Fix #11034 FN duplicateCondition with struct member (#4074)

* Fix #11034 FN duplicateCondition with struct member

* Update testcondition.cpp

Author: chrchr-github

lib/astutils.cpp

@@ -2399,7 +2399,7 @@ static bool isExpressionChangedAt(const F& getExprTok,
     if (depth < 0)
         return true;
     if (tok->exprId() != exprid) {
-        if (globalvar && Token::Match(tok, "%name% ("))
+        if (globalvar && !tok->isKeyword() && Token::Match(tok, "%name% ("))
             // TODO: Is global variable really changed by function call?
             return true;
         const bool pointer = astIsPointer(tok);

test/testcondition.cpp

@@ -4806,6 +4806,17 @@ class TestCondition : public TestFixture {
               "}\n");
         ASSERT_EQUALS("", errout.str());
 
+        check("struct S { int i; };\n"
+              "int f(const S& s) {\n"
+              "    int a = 0, b = 0;\n"
+              "    if (s.i == 0)\n"
+              "        a = 1;\n"
+              "    if (s.i == 0)\n"
+              "        b = 1;\n"
+              "    return a + b;\n"
+              "}\n");
+        ASSERT_EQUALS("[test.cpp:4] -> [test.cpp:6]: (style) The if condition is the same as the previous if condition\n", errout.str());
+
         // do not crash
         check("void assign(const MMA& other) {\n"
               "    if (mPA.cols != other.mPA.cols || mPA.rows != other.mPA.rows)\n"