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* [gcc r13-2781] Fortran: fix ICE in generate_coarray_sym_init [PR82868]
@ 2022-09-22 17:40 Harald Anlauf
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From: Harald Anlauf @ 2022-09-22 17:40 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:bc71318a91286b5f00e88f07aab818ac82510692

commit r13-2781-gbc71318a91286b5f00e88f07aab818ac82510692
Author: Harald Anlauf <anlauf@gmx.de>
Date:   Wed Sep 21 19:55:30 2022 +0200

    Fortran: fix ICE in generate_coarray_sym_init [PR82868]
    
    gcc/fortran/ChangeLog:
    
            PR fortran/82868
            * trans-decl.cc (generate_coarray_sym_init): Skip symbol
            if attr.associate_var.
    
    gcc/testsuite/ChangeLog:
    
            PR fortran/82868
            * gfortran.dg/associate_26a.f90: New test.

Diff:
---
 gcc/fortran/trans-decl.cc                   |  1 +
 gcc/testsuite/gfortran.dg/associate_26a.f90 | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/gcc/fortran/trans-decl.cc b/gcc/fortran/trans-decl.cc
index 908a4c6d42e..5d16d640322 100644
--- a/gcc/fortran/trans-decl.cc
+++ b/gcc/fortran/trans-decl.cc
@@ -5529,6 +5529,7 @@ 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 00000000000..85aebebd4d8
--- /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

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