PR fortran/29828
* trans.h (gfor_fndecl_string_minmax): New prototype.
* trans-decl.c (gfor_fndecl_string_minmax): New variable.
(gfc_build_intrinsic_function_decls): Create gfor_fndecl_string_minmax.
* check.c (gfc_check_min_max): Allow for character arguments.
* trans-intrinsic.c (gfc_conv_intrinsic_minmax_char): New function.
(gfc_conv_intrinsic_function): Add special case for MIN and MAX
intrinsics with character arguments.
* simplify.c (simplify_min_max): Add simplification for character
arguments.
* intrinsics/string_intrinsics.c (string_minmax): New function
and prototype.
* gfortran.map (GFORTRAN_1.0): Add _gfortran_string_minmax
* gfortran.dg/minmax_char_1.f90: New test.
* gfortran.dg/minmax_char_2.f90: New test.
* gfortran.dg/min_max_optional_4.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127252 138bc75d-0d04-0410-961f-82ee72b054a4
13 files changed: