[Bug target/68471] ICE: in df_refs_verify, at df-scan.c:4022 with -mmitigate-rop and long double

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68471

--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> ---
Created attachment 36797
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36797&action=edit
another testcase, with __builtin_apply()

$ gcc -mmitigate-rop testcase.c
testcase.c: In function 'foo':
testcase.c:7:1: internal compiler error: in df_refs_verify, at df-scan.c:4022
 }
 ^

0x7927a2 df_refs_verify
        /mnt/svn/gcc-trunk/gcc/df-scan.c:4022
0x793dd7 df_insn_refs_verify
        /mnt/svn/gcc-trunk/gcc/df-scan.c:4104
0x7944e2 df_bb_verify
        /mnt/svn/gcc-trunk/gcc/df-scan.c:4131
0x7980f7 df_scan_verify()
        /mnt/svn/gcc-trunk/gcc/df-scan.c:4263
0x7802c8 df_verify()
        /mnt/svn/gcc-trunk/gcc/df-core.c:1831
0x78033a df_analyze_1
        /mnt/svn/gcc-trunk/gcc/df-core.c:1217
0xebb7d0 ix86_mitigate_rop
        /mnt/svn/gcc-trunk/gcc/config/i386/i386.c:45245
0xebb7d0 ix86_reorg
        /mnt/svn/gcc-trunk/gcc/config/i386/i386.c:45424
0xb01709 execute
        /mnt/svn/gcc-trunk/gcc/reorg.c:3945
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