Fixed #7139 (ValueFlow: Missed shift operation in for expression)
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@ -1929,6 +1929,10 @@ static void execute(const Token *expr,
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*result = result1 / result2;
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else if (expr->str() == "%")
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*result = result1 % result2;
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else if (expr->str() == "<<")
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*result = result1 << result2;
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else if (expr->str() == ">>")
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*result = result1 >> result2;
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}
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else if (expr->str() == "&&") {
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@ -1968,6 +1968,19 @@ private:
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value = valueOfTok(code, "&");
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ASSERT_EQUALS(0, value.intvalue);
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ASSERT(value.isKnown());
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// Ticket #7139
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// "<<" in third expression of for
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code = "void f(void) {\n"
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" int bit, x;\n"
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" for (bit = 1, x = 0; bit < 128; bit = bit << 1, x++) {\n"
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" z = x;\n" // <- known value [0..6]
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" }\n"
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"}\n";
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ASSERT_EQUALS(true, testValueOfX(code, 4U, 0));
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ASSERT_EQUALS(true, testValueOfX(code, 4U, 6));
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ASSERT_EQUALS(false, testValueOfX(code, 4U, 7));
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ASSERT(value.isKnown());
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}
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};
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