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[Bug rtl-optimization/78575] [7 Regression] ICE: in trunc_int_for_mode, at explow.c:55 with -O2 -g
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 29 Nov 2016 10:01:43 +0000
- Subject: [Bug rtl-optimization/78575] [7 Regression] ICE: in trunc_int_for_mode, at explow.c:55 with -O2 -g
- Auto-submitted: auto-generated
- References: <bug-78575-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78575
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I think MEMs just shouldn't be shared, and at least in quick skimming I haven't
found anything the the DEBUG_INSNs that would look invalid.
What I think is wrong is that DECL_INCOMING_RTL and DECL_RTL of the PARM_DECL
is changed, I think var-tracking uses those.