[Bug 1454183] Re: gccgo crash on powerpc

[Launchpad Bug Tracker]

This bug was fixed in the package gcc-5 - 5.1.1-9ubuntu2

---------------
gcc-5 (5.1.1-9ubuntu2) wily; urgency=medium

  * Merge with Debian; remaining changes:
    - Build from upstream sources.

gcc-5 (5.1.1-9) unstable; urgency=medium

  * Update to SVN 20150602 (r224029, 5.1.1) from the gcc-5-branch.
  * Remove byte-compiled libstdc++ pretty printer files on upgrade.
    Closes: #785939.
  * Fix dangling libgccjit.so symlink.
  * Fix base dependency for rtlibs stage builds.
  * Fix build failure of the hppa64 cross compiler, introduced by the
    gnat cross patches. Closes: #786692.
  * Update README.source (Michael Vogt).
  * libgo: syscall.Sendfile(): Apply proposed patch for PR go/66378.
    (Michael Vogt). LP: #1460530.
  * Set CC and CXX matching the same GCC version for the stage1 build.
  * Work around PR go/66368, build libgo with -fno-stack-protector.
    LP: #1454183.

 -- Matthias Klose <doko at ubuntu.com>  Wed, 03 Jun 2015 01:02:23 +0200

** Changed in: gcc-5 (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1454183

Title:
  gccgo crash on powerpc

Status in The GNU Compiler Collection:
  Unknown
Status in docker.io package in Ubuntu:
  Invalid
Status in gcc-5 package in Ubuntu:
  Fix Released

Bug description:
  I see panics of the form below in https://launchpad.net/~snappy-
  dev/+archive/ubuntu/image/+build/7403985 and
  https://launchpad.net/ubuntu/+source/docker.io/1.6.0+dfsg1-1ubuntu1/+build/7397683
  causing FTBFS for snappy and docker.io on powerpc. As these have
  separate Go codebases I assume this is a compiler bug?

     dh_auto_build -a -O--buildsystem=golang -O--fail-missing
  fatal error: unexpected signal during runtime execution
  [signal 0xb code=0x1 addr=0x3]

  goroutine 16 [running]:
  runtime_dopanic
  	../../../src/libgo/runtime/panic.c:131
  runtime_throw
  	../../../src/libgo/runtime/panic.c:193
  sig_panic_leadin
  	../../../src/libgo/runtime/go-signal.c:247
  sig_panic_info_handler
  	../../../src/libgo/runtime/go-signal.c:281

  	:0
  __go_go
  	../../../src/libgo/runtime/proc.c:2328
  runtime_main
  	../../../src/libgo/runtime/proc.c:598

  goroutine 0 [idle]:
  panic during panic

  goroutine 0 [idle]:
  runtime_dopanic
  	../../../src/libgo/runtime/panic.c:131
  runtime_startpanic
  	../../../src/libgo/runtime/panic.c:100
  runtime_throw
  	../../../src/libgo/runtime/panic.c:191
  runtime_gogo
  	../../../src/libgo/runtime/proc.c:251
  runtime_tracebackothers
  	../../../src/libgo/runtime/proc.c:767
  runtime_dopanic
  	../../../src/libgo/runtime/panic.c:139
  runtime_throw
  	../../../src/libgo/runtime/panic.c:193
  sig_panic_leadin
  	../../../src/libgo/runtime/go-signal.c:247
  sig_panic_info_handler
  	../../../src/libgo/runtime/go-signal.c:281

  	:0
  __go_go
  	../../../src/libgo/runtime/proc.c:2328
  runtime_main
  	../../../src/libgo/runtime/proc.c:598
  fatal error: unexpected signal during runtime execution
  [signal 0xb code=0x1 addr=0x3]

  goroutine 16 [running]:
  runtime_dopanic
  	../../../src/libgo/runtime/panic.c:131
  runtime_throw
  	../../../src/libgo/runtime/panic.c:193
  sig_panic_leadin
  	../../../src/libgo/runtime/go-signal.c:247
  sig_panic_info_handler
  	../../../src/libgo/runtime/go-signal.c:281

  	:0
  __go_go
  	../../../src/libgo/runtime/proc.c:2328
  runtime_main
  	../../../src/libgo/runtime/proc.c:598

  goroutine 0 [idle]:
  panic during panic

  goroutine 0 [idle]:
  runtime_dopanic
  	../../../src/libgo/runtime/panic.c:131
  runtime_startpanic
  	../../../src/libgo/runtime/panic.c:100
  runtime_throw
  	../../../src/libgo/runtime/panic.c:191
  runtime_gogo
  	../../../src/libgo/runtime/proc.c:251
  runtime_tracebackothers
  	../../../src/libgo/runtime/proc.c:767
  runtime_dopanic
  	../../../src/libgo/runtime/panic.c:139
  runtime_throw
  	../../../src/libgo/runtime/panic.c:193
  sig_panic_leadin
  	../../../src/libgo/runtime/go-signal.c:247
  sig_panic_info_handler
  	../../../src/libgo/runtime/go-signal.c:281

  	:0
  __go_go
  	../../../src/libgo/runtime/proc.c:2328
  runtime_main
  	../../../src/libgo/runtime/proc.c:598
  dh_auto_build: go install -v returned exit code 2

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