Avoid cc1 SEGV in gcc.dg/rtl/x86_64/final.c (PR target/79975)

	PR target/79975
	* gcc.dg/rtl/x86_64/final.c: Add -fdwarf2-cfi-asm to dg-options.

From-SVN: r257408

gcc/testsuite/ChangeLog

+2018-02-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR target/79975
+	* gcc.dg/rtl/x86_64/final.c: Add -fdwarf2-cfi-asm to dg-options.
+
 2018-02-05  Martin Sebor  <msebor@redhat.com>
 
 	PR tree-optimization/83369
-	gcc.dg/Wnonnull.c: New test.
+	* gcc.dg/Wnonnull.c: New test.
 
 2018-02-05  Richard Sandiford  <richard.sandiford@linaro.org>
 

gcc/testsuite/gcc.dg/rtl/x86_64/final.c

 /* { dg-do compile { target { { i?86-*-* x86_64-*-* } && lp64 } } } */
-/* { dg-options "-fdump-rtl-final" } */
+/* { dg-options "-fdwarf2-cfi-asm -fdump-rtl-final" } */
 
 /* Lightly-modified dump of test.c.304r.dwarf2 for x86_64 target,
    with various NOTE_INSN_CFI deleted by hand for now.  */