[Bug 1417664] Re: Unity8 build causes internal compiler error on armhf

[Colin Watson]

(vivid-armhf)cjwatson at shedir:~/unity8-8.02+15.04.20150123.3/obj-arm-linux-gnueabihf/tests/mocks/Unity$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabihf/4.9/lto-wrapper
Target: arm-linux-gnueabihf
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.9.2-10ubuntu3' --with-bugurl=file:///usr/share/doc/gcc-4.9/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --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-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libitm --disable-libquadmath --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.9-armhf/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.9-armhf --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.9-armhf --with-arch-directory=arm --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --enable-multilib --disable-sjlj-exceptions --with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=hard --with-mode=thumb --disable-werror --enable-multilib --enable-checking=release --build=arm-linux-gnueabihf --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf
Thread model: posix
gcc version 4.9.2 (Ubuntu/Linaro 4.9.2-10ubuntu3)

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https://bugs.launchpad.net/bugs/1417664

Title:
  Unity8 build causes internal compiler error on armhf

Status in gcc-4.9 package in Ubuntu:
  Incomplete

Bug description:
  I've encountered this first today, thought this was a problem with
  some of my MPs, but have reduced them to no-op and the unity8 trunk
  does not build on armhf in the PPAs:

  In file included from /build/buildd/unity8-8.02+15.04.20150203.7/tests/mocks/Unity/fake_scopes.cpp:21:0:
  /build/buildd/unity8-8.02+15.04.20150203.7/tests/mocks/Unity/fake_scopesoverview.h: At global scope:
  /build/buildd/unity8-8.02+15.04.20150203.7/tests/mocks/Unity/fake_scopesoverview.h:27:7: internal compiler error: in symtab_remove_unreachable_nodes, at ipa.c:547
   class ScopesOverview : public Scope
         ^
  Please submit a full bug report,
  with preprocessed source if appropriate.
  See <file:///usr/share/doc/gcc-4.9/README.Bugs> for instructions.

  https://launchpad.net/~ci-train-ppa-
  service/+archive/ubuntu/landing-021/+sourcepub/4753156/+listing-
  archive-extra

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: gcc-4.9 4.9.2-10ubuntu3
  ProcVersionSignature: Ubuntu 3.18.0-12.13-generic 3.18.4
  Uname: Linux 3.18.0-12-generic x86_64
  ApportVersion: 2.15.1-0ubuntu4
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Feb  3 17:59:59 2015
  SourcePackage: gcc-4.9
  SystemImageInfo:
   current build number: 0
   device name: 
   channel: daily
   last update: Unknown
  UpgradeStatus: No upgrade log present (probably fresh install)

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