[PATCH, committed] PR fortran/103412 - [10/11/12 Regression] ICE: Invalid expression in gfc_element_size since r10-2083-g8dc63166e0b85954

[Harald Anlauf <anlauf@gmx.de>]

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Dear all,

committed as obvious after discussion with Steve: SIZEOF() cannot
accept a BOZ argument which has no defined type.

Regtested on x86_64-pc-linux-gnu.

Thanks,
Harald


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From fd74a2ee40456a1d1621e88738f8e57536194080 Mon Sep 17 00:00:00 2001
From: Harald Anlauf <anlauf@gmx.de>
Date: Sat, 18 Dec 2021 23:21:35 +0100
Subject: [PATCH] Fortran: reject BOZ type argument to SIZEOF().

gcc/fortran/ChangeLog:

	PR fortran/103412
	* check.c (gfc_check_sizeof): Reject BOZ type argument.

gcc/testsuite/ChangeLog:

	PR fortran/103412
	* gfortran.dg/illegal_boz_arg_2.f90: New test.
---
 gcc/fortran/check.c                             | 3 +++
 gcc/testsuite/gfortran.dg/illegal_boz_arg_2.f90 | 6 ++++++
 2 files changed, 9 insertions(+)
 create mode 100644 gcc/testsuite/gfortran.dg/illegal_boz_arg_2.f90

diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index 3934336df2e..625473c90d1 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -5135,6 +5135,9 @@ gfc_check_sizeof (gfc_expr *arg)
       return false;
     }

+  if (illegal_boz_arg (arg))
+    return false;
+
   /* TYPE(*) is acceptable if and only if it uses an array descriptor.  */
   if (arg->ts.type == BT_ASSUMED
       && (arg->symtree->n.sym->as == NULL
diff --git a/gcc/testsuite/gfortran.dg/illegal_boz_arg_2.f90 b/gcc/testsuite/gfortran.dg/illegal_boz_arg_2.f90
new file mode 100644
index 00000000000..3e5f6b6d1d4
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/illegal_boz_arg_2.f90
@@ -0,0 +1,6 @@
+! { dg-do compile }
+! PR fortran/103412
+
+program p
+  integer, parameter :: a = sizeof(z'1') ! { dg-error "cannot be an actual" }
+end
--
2.26.2