Disable internal_dummy_2.f08

Fortran/gfortran/regression/DisabledFiles.cmake

diff --git a/Fortran/gfortran/regression/DisabledFiles.cmake b/Fortran/gfortran/regression/DisabledFiles.cmake
index 2636e3e..bc1e925 100644
--- a/Fortran/gfortran/regression/DisabledFiles.cmake
+++ b/Fortran/gfortran/regression/DisabledFiles.cmake
@@ -1014,6 +1014,7 @@
   char_pointer_assign_5.f90
   check_bits_1.f90 # requires -fcheck=bits to catch ISHFTC runtime error
   check_bits_2.f90 # requires -fcheck=bits to catch ISHFTC runtime error
+  internal_dummy_2.f08 # causes flang-new to crash in the backend (llvm-project/issues/76927)
   cr_lf.f90 # shenanigans with CR characters
   dollar_edit_descriptor_4.f # TODO: (i3,$) format shouldn't advance record when looping
   list_read_11.f90 # more CR character shenanigans