From 7bd4deb2a7c1394550610ab27507d1ed2af817c2 Mon Sep 17 00:00:00 2001 From: Harald Anlauf Date: Thu, 15 Sep 2022 22:06:53 +0200 Subject: [PATCH] Fortran: error recovery for bad deferred character length assignment [PR104314] gcc/fortran/ChangeLog: PR fortran/104314 * resolve.cc (deferred_op_assign): Do not try to generate temporary for deferred character length assignment if types do not agree. gcc/testsuite/ChangeLog: PR fortran/104314 * gfortran.dg/pr104314.f90: New test. Co-authored-by: Steven G. Kargl --- gcc/fortran/resolve.cc | 1 + gcc/testsuite/gfortran.dg/pr104314.f90 | 9 +++++++++ 2 files changed, 10 insertions(+) create mode 100644 gcc/testsuite/gfortran.dg/pr104314.f90 diff --git a/gcc/fortran/resolve.cc b/gcc/fortran/resolve.cc index ca114750f65..ae7ebb624e4 100644 --- a/gcc/fortran/resolve.cc +++ b/gcc/fortran/resolve.cc @@ -11803,6 +11803,7 @@ deferred_op_assign (gfc_code **code, gfc_namespace *ns) if (!((*code)->expr1->ts.type == BT_CHARACTER && (*code)->expr1->ts.deferred && (*code)->expr1->rank + && (*code)->expr2->ts.type == BT_CHARACTER && (*code)->expr2->expr_type == EXPR_OP)) return false; diff --git a/gcc/testsuite/gfortran.dg/pr104314.f90 b/gcc/testsuite/gfortran.dg/pr104314.f90 new file mode 100644 index 00000000000..510ded0b164 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr104314.f90 @@ -0,0 +1,9 @@ +! { dg-do compile } +! PR fortran/104314 - ICE in deferred_op_assign +! Contributed by G.Steinmetz + +program p + character(:), allocatable :: c(:) + c = ['123'] + c = c == c ! { dg-error "Cannot convert" } +end -- 2.35.3