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From: Harald Anlauf <anlauf@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r11-9418] Fortran: BOZ literal constants are not interoperable Date: Mon, 27 Dec 2021 19:51:15 +0000 (GMT) [thread overview] Message-ID: <20211227195115.181E33858438@sourceware.org> (raw) https://gcc.gnu.org/g:e6dcc14640105d2daf9c7f279980543470be7866 commit r11-9418-ge6dcc14640105d2daf9c7f279980543470be7866 Author: Harald Anlauf <anlauf@gmx.de> Date: Mon Dec 20 22:12:33 2021 +0100 Fortran: BOZ literal constants are not interoperable gcc/fortran/ChangeLog: PR fortran/103778 * check.c (is_c_interoperable): A BOZ literal constant is not interoperable. gcc/testsuite/ChangeLog: PR fortran/103778 * gfortran.dg/illegal_boz_arg_3.f90: New test. (cherry picked from commit ff0ad4b5e16b8828a6147ae2d5fec8068ef0778e) Diff: --- gcc/fortran/check.c | 6 ++++++ gcc/testsuite/gfortran.dg/illegal_boz_arg_3.f90 | 7 +++++++ 2 files changed, 13 insertions(+) diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c index 6341756bf3e..e110ca01f2f 100644 --- a/gcc/fortran/check.c +++ b/gcc/fortran/check.c @@ -5181,6 +5181,12 @@ is_c_interoperable (gfc_expr *expr, const char **msg, bool c_loc, bool c_f_ptr) return false; } + if (expr->ts.type == BT_BOZ) + { + *msg = "BOZ literal constant"; + return false; + } + if (expr->ts.type == BT_CLASS) { *msg = "Expression is polymorphic"; diff --git a/gcc/testsuite/gfortran.dg/illegal_boz_arg_3.f90 b/gcc/testsuite/gfortran.dg/illegal_boz_arg_3.f90 new file mode 100644 index 00000000000..59fefa90971 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/illegal_boz_arg_3.f90 @@ -0,0 +1,7 @@ +! { dg-do compile } +! PR fortran/103778 + +program p + use iso_c_binding, only : c_sizeof + integer, parameter :: a = c_sizeof(z'1') ! { dg-error "cannot appear" } +end
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