Fix the clang-on-clang build:  APFloat reports underflow whenever we get a
denormal, but we only want to diagnose if we underflowed to zero.  This
allows people to write constants in the denormal range.

llvm-svn: 92129
1 file changed
tree: f3c2cb15fa5d4160478d18375d1009559554dcfb
  1. clang/
  2. compiler-rt/
  3. llvm/