PR target/35366
PR fortran/33759
* fold-const.c (native_encode_string): New function.
(native_encode_expr): Use it for STRING_CST.
* trans-const.c (gfc_conv_constant_to_tree): Warn when
converting an integer outside of LOGICAL's range to
LOGICAL.
* trans-intrinsic.c (gfc_conv_intrinsic_function,
gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer):
Use INTEGER_TYPE instead of BOOLEAN_TYPE for TRANSFER as
argument of another TRANSFER.
* gfortran.dg/hollerith.f90: Don't assume a 32-bit value
stored into logical variable will be preserved.
* gfortran.dg/transfer_simplify_4.f90: Remove undefined
cases. Run at all optimization levels. Add a couple of
new tests.
* gfortran.dg/hollerith5.f90: New test.
* gfortran.dg/hollerith_legacy.f90: Add dg-warning.
From-SVN: r141790
