[flang] Disable erroneous test (#213)

Disable a test that declares non-SAVE local variables with
allocatable coarray components; this is an error that flang-new
will shortly be detecting.

Author: klausler

Fortran/gfortran/regression/DisabledFiles.cmake

@@ -767,6 +767,10 @@ file(GLOB SKIPPED_FILES CONFIGURE_DEPENDS
   # error: Result of pure function may not have an impure FINAL subroutine
   finalize_51.f90
 
+  # error: local non-SAVE variable has coarray component
+  # Consider using override.yaml to enable this test but expect different behavior
+  coarray_lib_realloc_1.f90
+
   # --------------------------------------------------------------------------
   #
   # These tests are skipped for a variety of reasons that don't fit well in