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Gccgo: gccgo-4.9.0 internal compiler error #8612

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davecheney opened this issue Aug 29, 2014 · 4 comments
Closed

Gccgo: gccgo-4.9.0 internal compiler error #8612

davecheney opened this issue Aug 29, 2014 · 4 comments
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@davecheney
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What steps will reproduce the problem?

http://play.golang.org/p/SNDWCuDsPL

% go run -compiler=gccgo issue.go
# command-line-arguments
In function ‘main.$nested1’:
go1: internal compiler error: in comparison, at go/gofrontend/expressions.cc:6508
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gccgo-4.9/README.Bugs> for instructions.

Please use labels and text to provide additional information.

% gccgo -v
Using built-in specs.
COLLECT_GCC=gccgo
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.9/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.9-20140406-0ubuntu1'
--with-bugurl=file:///usr/share/doc/gccgo-4.9/README.Bugs --enable-languages=c,c++,go
--prefix=/usr --program-suffix=-4.9 --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-time=yes
--enable-gnu-unique-object --disable-libmudflap --disable-libquadmath --enable-plugin
--with-system-zlib --enable-multiarch --disable-werror --with-arch-32=i686
--with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.9.0 20140405 (experimental) [trunk revision 209157] (Ubuntu
4.9-20140406-0ubuntu1)
@davecheney
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Comment 1:

Sorry, the version was slightly wrong. 
I've also tested this with some other 4.9.0/1 variants
$ gccgo -v
Using built-in specs.
COLLECT_GCC=gccgo
COLLECT_LTO_WRAPPER=/usr/lib/gcc/powerpc64le-linux-gnu/4.9/lto-wrapper
Target: powerpc64le-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.9.1-2ubuntu2~14.04'
--with-bugurl=file:///usr/share/doc/gccgo-4.9/README.Bugs --enable-languages=c,c++,go
--prefix=/usr --program-suffix=-4.9 --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-time=yes
--enable-gnu-unique-object --disable-libsanitizer --disable-libquadmath --enable-plugin
--with-system-zlib --enable-secureplt --with-cpu=power7 --with-tune=power8
--disable-multilib --enable-multiarch --disable-werror --with-long-double-128
--enable-checking=release --build=powerpc64le-linux-gnu --host=powerpc64le-linux-gnu
--target=powerpc64le-linux-gnu
Thread model: posix
gcc version 4.9.1 (Ubuntu 4.9.1-2ubuntu2~14.04) 
If this is fixed upstream, is it possible to get this backported to the 4.9 branch?

@gopherbot
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Comment 2:

CL https://golang.org/cl/135170043 mentions this issue.

@ianlancetaylor
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Comment 3:

This issue was updated by revision de7fea0.

LGTM=minux
R=golang-codereviews, minux
CC=golang-codereviews
https://golang.org/cl/135170043

@ianlancetaylor
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Comment 4:

Fixed on tip and 4.9 branch.
Thanks for reporting it.

Status changed to Fixed.

@golang golang locked and limited conversation to collaborators Jun 25, 2016
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@davecheney @ianlancetaylor @gopherbot