re PR fortran/48543 (Collapse identical strings)

2019-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/48543
	* gfortran.dg/const_chararacter_merge.f90: New test.

From-SVN: r267517

gcc/testsuite/ChangeLog

+2019-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/48543
+	* gfortran.dg/const_chararacter_merge.f90: New test.
+
 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
 
 	PR lto/88130

gcc/testsuite/gfortran.dg/const_chararacter_merge.f90

+! { dg-do compile }
+! { dg-options "-Os" }
+! PR 48543
+program main
+  character(len=17) :: a
+  character(len=34) :: b
+  a = 'Supercalifragilis'
+  b = 'Supercalifragilisticexpialidocious'
+  print *,a," ",b
+end program main
+! { dg-final { scan-assembler-times "Supercalifragilis" 1 } }