From: Harald Anlauf <anlauf@gmx.de>
Date: Tue, 24 Jan 2023 20:39:43 +0000 (+0100)
Subject: Fortran: ICE in transformational_result [PR108529]
X-Git-Tag: release-12.2.mpacbti-rel1~114
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8ef7eec0c323a8752ad5babde6e4add4f224898;p=thirdparty%2Fgcc.git

Fortran: ICE in transformational_result [PR108529]

gcc/fortran/ChangeLog:

	PR fortran/108529
	* simplify.cc (simplify_transformation): Do not try to simplify
	transformational intrinsic when the ARRAY argument has a NULL shape.

gcc/testsuite/ChangeLog:

	PR fortran/108529
	* gfortran.dg/pr108529.f90: New test.

(cherry picked from commit 6c96382eed96a9285611f2e3e2e59557094172b8)
---

diff --git a/gcc/fortran/simplify.cc b/gcc/fortran/simplify.cc
index d48ae1af584a..0300586fd28f 100644
--- a/gcc/fortran/simplify.cc
+++ b/gcc/fortran/simplify.cc
@@ -708,6 +708,7 @@ simplify_transformation (gfc_expr *array, gfc_expr *dim, gfc_expr *mask,
   size_zero = gfc_is_size_zero_array (array);
 
   if (!(is_constant_array_expr (array) || size_zero)
+      || array->shape == NULL
       || !gfc_is_constant_expr (dim))
     return NULL;
 
diff --git a/gcc/testsuite/gfortran.dg/pr108529.f90 b/gcc/testsuite/gfortran.dg/pr108529.f90
new file mode 100644
index 000000000000..34c9691fae13
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr108529.f90
@@ -0,0 +1,9 @@
+! { dg-do compile }
+! PR fortran/108529 - ICE in transformational_result
+! Contributed by G.Steinmetz
+
+program p
+  integer, parameter :: a(*,*) = reshape([1, 2, 3, 4], [2, 2])
+  logical, parameter :: b(2,*) = a > 2     ! { dg-error "Assumed size" }
+  logical, parameter :: c(*)   = all(b, 1) ! { dg-error "Bad shape" }
+end