2016-12-09 Paul Thomas <pault@gcc.gnu.org>
commit8b7e5587b9067ff87ecd0ca716aa62f3479e1de6
authorpault <pault@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 9 Dec 2016 11:55:27 +0000 (9 11:55 +0000)
committerpault <pault@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 9 Dec 2016 11:55:27 +0000 (9 11:55 +0000)
tree85abf9edc9eb9b2f0cb506bc7cd1750b31bf4c29
parent8f8581126c7e6b5303339be2e403d6e56376fc29
2016-12-09  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/44265
* gfortran.h : Add fn_result_spec bitfield to gfc_symbol.
* resolve.c (flag_fn_result_spec): New function.
(resolve_fntype): Call it for character result lengths.
* symbol.c (gfc_new_symbol): Set fn_result_spec to zero.
* trans-decl.c (gfc_sym_mangled_identifier): Include the
procedure name in the mangled name for symbols with the
fn_result_spec bit set.
(gfc_finish_var_decl): Mark the decls of these symbols
appropriately for the case where the function is external.
(gfc_get_symbol_decl): Mangle the name of these symbols.
(gfc_create_module_variable): Allow them through the assert.
(gfc_generate_function_code): Remove the assert before the
initialization of sym->tlink because the frontend no longer
uses this field.
* trans-expr.c (gfc_map_intrinsic_function): Add a case to
treat the LEN_TRIM intrinsic.
(gfc_trans_string_copy): Deal with Wstringop-overflow warning
that can occur with constant source lengths at -O3.

2016-12-09  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/44265
* gfortran.dg/char_result_14.f90: New test.
* gfortran.dg/char_result_15.f90: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@243478 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/fortran/ChangeLog
gcc/fortran/gfortran.h
gcc/fortran/resolve.c
gcc/fortran/symbol.c
gcc/fortran/trans-decl.c
gcc/fortran/trans-expr.c
gcc/testsuite/ChangeLog
gcc/testsuite/gfortran.dg/char_result_14.f90 [new file with mode: 0644]
gcc/testsuite/gfortran.dg/char_result_15.f90 [new file with mode: 0644]