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From: "manuel.lauss at googlemail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/96194] New: 10.1.1: ICE in assign_temp, at function.c:984
 during RTL pass: expand
Date: Tue, 14 Jul 2020 08:12:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96194

            Bug ID: 96194
           Summary: 10.1.1: ICE in assign_temp, at function.c:984 during
                    RTL pass: expand
           Product: gcc
           Version: 10.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: manuel.lauss at googlemail dot com
  Target Milestone: ---

Created attachment 48872
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D48872&action=3Dedit
unreduced testcase

The attached unreduced testcase, extracted from current mesa, generates the
following ICE with -O2 or higher.  Current 10.1.1 as of today (14.07.2020),
with the fix to PR96130 applied.


# g++ -O2 -c p_tesselator.i
during RTL pass: expand
../mesa-9999/src/gallium/auxiliary/tessellator/p_tessellator.cpp: In functi=
on
'pipe_tessellator* p_tess_init(pipe_prim_type, pipe_tess_spacing, bool, boo=
l)':
../mesa-9999/src/gallium/auxiliary/tessellator/p_tessellator.cpp:130:1:
internal compiler error: in assign_temp, at function.c:984
  130 | p_tess_init(enum pipe_prim_type tes_prim_mode,
      | ^~~~~~~~~~~
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://bugs.gentoo.org/> for instructions.=