[gcc r12-8288] Split test to remove failing run time test and add check for ICE.

["Thomas König" <tkoenig@gcc.gnu.org>]

https://gcc.gnu.org/g:f6541401407b0d09169fd716ab6d5e02c8d60642

commit r12-8288-gf6541401407b0d09169fd716ab6d5e02c8d60642
Author: Thomas Koenig <tkoenig@gcc.gnu.org>
Date:   Wed Apr 27 18:40:18 2022 +0200

    Split test to remove failing run time test and add check for ICE.
    
    gcc/testsuite/ChangeLog:
    
            PR fortran/70673
            PR fortran/78054
            * gfortran.dg/pr70673.f90: Remove invalid statement.
            * gfortran.dg/pr70673_2.f90: New test to check that
            ICE does not re-appear.

Diff:
---
 gcc/testsuite/gfortran.dg/pr70673.f90   |  1 -
 gcc/testsuite/gfortran.dg/pr70673_2.f90 | 25 +++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/gcc/testsuite/gfortran.dg/pr70673.f90 b/gcc/testsuite/gfortran.dg/pr70673.f90
index fa4bd2fe02b..1449130274b 100644
--- a/gcc/testsuite/gfortran.dg/pr70673.f90
+++ b/gcc/testsuite/gfortran.dg/pr70673.f90
@@ -16,7 +16,6 @@ contains
     a = a(2:3)      ! Make sure that temporary creation is not broken.
     if ((len (a) .ne. 2) .or. (a .ne. "el")) STOP 2
     deallocate (a)
-    a = a           ! This would ICE too.
   end subroutine s
 end module m
 
diff --git a/gcc/testsuite/gfortran.dg/pr70673_2.f90 b/gcc/testsuite/gfortran.dg/pr70673_2.f90
new file mode 100644
index 00000000000..ba2ce2f2a96
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr70673_2.f90
@@ -0,0 +1,25 @@
+! { dg-do compile }
+!
+! Test the fix for PR70673
+!
+! Contributed by David Kinniburgh  <davidgkinniburgh@yahoo.co.uk>
+!
+module m
+contains
+  subroutine s(inp)
+    character(*), intent(in) :: inp
+    character(:), allocatable :: a
+    a = a           ! This used to ICE.
+    a = inp
+    a = a           ! This used to ICE too
+    if ((len (a) .ne. 5) .or. (a .ne. "hello")) STOP 1
+    a = a(2:3)      ! Make sure that temporary creation is not broken.
+    if ((len (a) .ne. 2) .or. (a .ne. "el")) STOP 2
+    deallocate (a)
+    a = a           ! This would ICE too.
+  end subroutine s
+end module m
+
+  use m
+  call s("hello")
+end