i386: Skip DF_REF_INSN if DF_REF_INSN_INFO is false
commita7061c2b26724112e53df4291a7b9f98c90aeb15
authorhjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 23 Oct 2017 15:49:19 +0000 (23 15:49 +0000)
committerhjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 23 Oct 2017 15:49:19 +0000 (23 15:49 +0000)
treeb03b077bc7d4720a368b1b76eaead92c84a2e610
parentd2d928cf6a3c32f79ced3e4f643737cd24196550
i386: Skip DF_REF_INSN if DF_REF_INSN_INFO is false

We should check DF_REF_INSN_INFO before accessing DF_REF_INSN.

gcc/

PR target/82673
* config/i386/i386.c (ix86_finalize_stack_frame_flags): Skip
DF_REF_INSN if DF_REF_INSN_INFO is false.

gcc/testsuite/

PR target/82673
* gcc.target/i386/pr82673.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@254013 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/config/i386/i386.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.target/i386/pr82673.c [new file with mode: 0644]