From: Harald Anlauf <anlauf@gmx.de>
Date: Wed, 21 Sep 2022 17:55:30 +0000 (+0200)
Subject: Fortran: fix ICE in generate_coarray_sym_init [PR82868]
X-Git-Tag: releases/gcc-10.5.0~480
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f2509f6195869fd01aec02714af2d0c3346fa917;p=thirdparty%2Fgcc.git

Fortran: fix ICE in generate_coarray_sym_init [PR82868]

gcc/fortran/ChangeLog:

	PR fortran/82868
	* trans-decl.c (generate_coarray_sym_init): Skip symbol
	if attr.associate_var.

gcc/testsuite/ChangeLog:

	PR fortran/82868
	* gfortran.dg/associate_26a.f90: New test.

(cherry picked from commit bc71318a91286b5f00e88f07aab818ac82510692)
---

diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index 765c492520c7..bb72eb6731d1 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -5605,6 +5605,7 @@ generate_coarray_sym_init (gfc_symbol *sym)
 
   if (sym->attr.dummy || sym->attr.allocatable || !sym->attr.codimension
       || sym->attr.use_assoc || !sym->attr.referenced
+      || sym->attr.associate_var
       || sym->attr.select_type_temporary)
     return;
 
diff --git a/gcc/testsuite/gfortran.dg/associate_26a.f90 b/gcc/testsuite/gfortran.dg/associate_26a.f90
new file mode 100644
index 000000000000..85aebebd4d88
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/associate_26a.f90
@@ -0,0 +1,15 @@
+! { dg-do compile }
+! { dg-options "-fcoarray=lib" }
+!
+! Test the fix for PR78152 and the followup in PR82868
+!
+! Contributed by <physiker@toast2.net>
+!
+program co_assoc
+  implicit none
+  integer, parameter :: p = 5
+  real, allocatable :: a(:,:)[:,:]
+  allocate (a(p,p)[2,*])
+  associate (i => a(1:p, 1:p))
+  end associate
+end program co_assoc