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[Bug target/79058] [7 Regression] ARM: internal compiler error: in extract_constrain_insn, at recog.c:2213
- From: "arnd at linaro dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 13 Jan 2017 16:30:40 +0000
- Subject: [Bug target/79058] [7 Regression] ARM: internal compiler error: in extract_constrain_insn, at recog.c:2213
- Auto-submitted: auto-generated
- References: <bug-79058-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79058
--- Comment #17 from Arnd Bergmann <arnd at linaro dot org> ---
(In reply to Dominik Vogt from comment #16)
> Or rather this one which avoids triggering an assertion failure in
> in_hard_reg_set_p ():
I tried this version, and while it fixes the test case I originally reported, I
have a total of nine randconfig runs that originally showed the same symptom,
all while compiling the same source file.
With your patch, four of them are fixed, the other five are unchanged. I'll try
to see what is different for those.