[llvm-bugs] [Bug 38331] New: -Wfloat-equal does not catch comparision with constant value

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=38331

            Bug ID: 38331
           Summary: -Wfloat-equal does not catch comparision with constant
                    value
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Static Analyzer
          Assignee: dcough...@apple.com
          Reporter: david.bolvan...@gmail.com
                CC: llvm-bugs@lists.llvm.org

Code compiled with -Wfloat-equal:
bool compare (const float lhs, const float rhs)
{
  return lhs == rhs; // Clang warns
}

bool compare2 (const float lhs, const float rhs)
{
  return lhs == 1.0; // No warning from Clang, GCC warns
}

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