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Subject: [Bug c++/55106] New: ice: Maximum number of LRA constraint passes is achieved (15)
Date: Sun, 28 Oct 2012 14:06:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55106

             Bug #: 55106
           Summary: ice: Maximum number of LRA constraint passes is
                    achieved (15)
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dcb314@hotmail.com


Created attachment 28545
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28545
C++ source code

I just tried to compile the package verilator-3.805-5
on gcc-4.8 trunk dated 20121027 on an AMD x86_64 box.

The compiler said

../V3Number.cpp:1286:1: internal compiler error: Maximum number of LRA
constraint passes is achieved (15)

 }
 ^
0x994c28 lra_constraints(bool)
    ../../src/trunk/gcc/lra-constraints.c:3262
0x9882fe lra(_IO_FILE*)
    ../../src/trunk/gcc/lra.c:2281
0x9507a6 do_reload
    ../../src/trunk/gcc/ira.c:4614
0x9507a6 rest_of_handle_reload
    ../../src/trunk/gcc/ira.c:4720
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

Preprocessed source code attached. Flag -O3 required.