Fix 10414: FP 'The address of local variable 'single_value' might be accessed at non-zero index.' (regression) (#3447)
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@ -1020,8 +1020,7 @@ void CheckBufferOverrun::objectIndex()
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return false;
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return false;
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return vidx.path == v.path || vidx.path == 0;
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return vidx.path == v.path || vidx.path == 0;
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});
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});
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if (idxValues.empty() ||
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if (std::any_of(idxValues.begin(), idxValues.end(), [&](const ValueFlow::Value& vidx) {
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std::any_of(idxValues.begin(), idxValues.end(), [&](const ValueFlow::Value& vidx) {
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if (vidx.isImpossible())
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if (vidx.isImpossible())
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return (vidx.intvalue == 0);
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return (vidx.intvalue == 0);
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else
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else
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@ -4689,7 +4689,10 @@ private:
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" for(int i=0;i<strlen(*test);i++)\n"
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" for(int i=0;i<strlen(*test);i++)\n"
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" printf(\"%c\",*test[i]);\n"
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" printf(\"%c\",*test[i]);\n"
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"}\n");
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"}\n");
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ASSERT_EQUALS("[test.cpp:4] -> [test.cpp:4] -> [test.cpp:9]: (warning) The address of local variable 'test' might be accessed at non-zero index.\n", errout.str());
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TODO_ASSERT_EQUALS(
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"[test.cpp:4] -> [test.cpp:4] -> [test.cpp:9]: (warning) The address of local variable 'test' might be accessed at non-zero index.\n",
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"",
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errout.str());
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check("void Bar(uint8_t data);\n"
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check("void Bar(uint8_t data);\n"
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"void Foo(const uint8_t * const data, const uint8_t length) {\n"
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"void Foo(const uint8_t * const data, const uint8_t length) {\n"
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@ -4701,6 +4704,18 @@ private:
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" Foo(&data,1U);\n"
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" Foo(&data,1U);\n"
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"}\n");
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"}\n");
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ASSERT_EQUALS("", errout.str());
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ASSERT_EQUALS("", errout.str());
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check("int foo(int n, int* p) {\n"
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" int res = 0;\n"
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" for(int i = 0; i < n; i++ )\n"
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" res += p[i];\n"
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" return res;\n"
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"}\n"
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"int bar() {\n"
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" int single_value = 0;\n"
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" return foo(1, &single_value);\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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}
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}
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};
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};
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