x86: Avoid abort on invalid broadcast

Print "{bad}" on invalid broadcast instead of abort.

gas/

	PR binutils/28247
	* testsuite/gas/i386/bad-bcast.d: New file.
	* testsuite/gas/i386/bad-bcast.s: Likewise.
	* testsuite/gas/i386/i386.exp: Run bad-bcast.

opcodes/

	PR binutils/28247
	* i386-dis.c (OP_E_memory): Print "{bad}" on invalid broadcast
	instead of abort.
4 files changed