[MSVC 8.0] bogus warning 4307 on dead code
------------------------------------------
Key: STDCXX-283
URL: http://issues.apache.org/jira/browse/STDCXX-283
Project: C++ Standard Library
Issue Type: Bug
Components: External
Affects Versions: 4.1.2, 4.1.3
Environment: MSVC 7.0 through 8.0
Reporter: Martin Sebor
$ cat t.cpp && cl -W3 t.cpp
void foo (const int *s)
{
const unsigned i = 0xffffffffU;
if (0xffffffffU == i)
s = 0;
else
s += i;
}
int main ()
{
foo (0);
}
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.42 for 80x86
Copyright (C) Microsoft Corporation. All rights reserved.
t.cpp
t.cpp(8) : warning C4307: '*' : integral constant overflow
Microsoft (R) Incremental Linker Version 8.00.50727.42
Copyright (C) Microsoft Corporation. All rights reserved.
/out:t.exe
t.obj
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