gcc/:
PR c/19999
* c-typeck.c (build_binary_op): Warn about floating point
comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.

gcc/cp/:
* typeck.c (build_binary_op): Warn about floating point
comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.

gcc/testsuite/:
* gcc.dg/Wfloat-equal-1.c: New.
* g++.dg/warn/Wfloat-equal-1.C: New.

From-SVN: r132540