PR middle-end/88956 - ICE: Floating point exception on a memcpy from
a zero-length constant array

gcc/ChangeLog:

	PR c/88956
	* gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.

gcc/testsuite/ChangeLog:

	PR c/88956
	* gcc.dg/Warray-bounds-39.c: New test.

From-SVN: r268378