&unsignedp, &reversep, &volatilep);
if ((offset == NULL_TREE || TREE_CODE (offset) == INTEGER_CST)
&& DECL_P (base)
- && !DECL_REGISTER (base)
+ && ((!VAR_P (base)
+ && TREE_CODE (base) != PARM_DECL
+ && TREE_CODE (base) != RESULT_DECL)
+ || !DECL_REGISTER (base))
&& pbitpos.is_constant (&bitpos))
{
offset_int expr_offset;
--- /dev/null
+! PR middle-end/101624
+! { dg-do compile }
+! { dg-options "-O2 -fsanitize=undefined" }
+
+complex function foo (x)
+ complex, intent(in) :: x
+ foo = aimag (x)
+end
+program pr101624
+ complex, parameter :: a = (0.0, 1.0)
+ complex :: b, foo
+ b = foo (a)
+end
--- /dev/null
+# Copyright (C) 2021 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GCC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+# GCC testsuite for gfortran that checks undefined behavior sanitizer.
+
+# Load support procs.
+load_lib gfortran-dg.exp
+load_lib ubsan-dg.exp
+
+
+# Initialize `dg'.
+dg-init
+ubsan_init
+
+# Main loop.
+if [check_effective_target_fsanitize_undefined] {
+ gfortran-dg-runtest [lsort \
+ [glob -nocomplain $srcdir/$subdir/*.\[fF\]{,90,95,03,08} ] ] "" ""
+}
+
+# All done.
+ubsan_finish
+dg-finish
tree base;
if (decl_p)
{
- if (DECL_REGISTER (inner))
+ if ((VAR_P (inner)
+ || TREE_CODE (inner) == PARM_DECL
+ || TREE_CODE (inner) == RESULT_DECL)
+ && DECL_REGISTER (inner))
return;
base = inner;
/* If BASE is a fixed size automatic variable or
tree base;
if (decl_p)
{
- if (DECL_REGISTER (inner))
+ if ((VAR_P (inner)
+ || TREE_CODE (inner) == PARM_DECL
+ || TREE_CODE (inner) == RESULT_DECL)
+ && DECL_REGISTER (inner))
return;
base = inner;
}