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Subject: [Bug rtl-optimization/55106] ice: Maximum number of LRA constraint passes is achieved (15)
Date: Fri, 21 Dec 2012 14:28:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55106

--- Comment #7 from Vladimir Makarov <vmakarov at gcc dot gnu.org> 2012-12-21 14:27:51 UTC ---
(In reply to comment #5)
> I'm still hitting this failure when building GMP 5.1.0 for i686-w64-mingw32:
> 
> libtool: compile:  i686-w64-mingw32-gcc -std=gnu99 -DHAVE_CONFIG_H -I.
> -I../../../../src/gmp/mpn -I.. -D__GMP_WITHIN_GMP -I../../../../src/gmp
> -DOPERATION_sbpi1_div_qr -O2 -march=nocona -mtune=core2 -fomit-frame-pointer
> -momit-leaf-frame-pointer -c sbpi1_div_qr.c -o sbpi1_div_qr.o
> div_qr_2u_pi1.c: In function '__gmpn_div_qr_2u_pi1':
> div_qr_2u_pi1.c:67:1: internal compiler error: Maximum number of LRA constraint
> passes is achieved (30)
> 
>  }
>  ^
> Please submit a full bug report,
> with preprocessed source if appropriate.
> 
> The build for x86_64-w64-mingw32 did not encounter this problem. I'm building
> on 64-bit Debian using a self-built linux to Windows cross-compilers.

Could you provide a preprocessed source code.  I'd try to reproduce this.  In
any case, it will be not fixed quickly.  I am on vacation next two weeks. 
Sorry.