Added -Wfloat-equal option to the driver.  This makes warnings about
floating point comparisons using == or != an opt-in rather than a default
warning.

Updated test case to use -Wfloat-equal.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44053 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed