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[Matthias Klose <doko@xxxxxxxxxx>]

** Also affects: gcc-4.9 (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: gcc-4.8 (Ubuntu)
   Importance: Undecided => Medium

** Changed in: gcc-4.8 (Ubuntu)
       Status: New => Confirmed

** Changed in: gcc-4.9 (Ubuntu)
   Importance: Undecided => Medium

** Changed in: gcc-4.9 (Ubuntu)
       Status: New => Confirmed

-- 
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https://bugs.launchpad.net/bugs/1308261

Title:
  ICE provoked by a lambda using the sizeof a captured stack-allocated
  array

Status in The GNU Compiler Collection:
  Unknown
Status in “gcc-4.8” package in Ubuntu:
  Confirmed
Status in “gcc-4.9” package in Ubuntu:
  Confirmed

Bug description:
  See upstream report,
  http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60855.

  $ cat gcc-bug.cpp
  int main() {
      unsigned count = 5;
      bool array[count];
      [&array] () {
        array[0] = sizeof(array) > 5;
      }();
      return 0;
  }

  $ g++ -Wall -Wextra --std=c++11 gcc-bug.cpp 
  gcc-bug.cpp: In lambda function:
  gcc-bug.cpp:6:5: warning: ‘<anonymous>’ is used uninitialized in this function [-Wuninitialized]
       }();
       ^
  gcc-bug.cpp:3:21: note: ‘<anonymous>’ was declared here
       bool array[count];
                       ^
  gcc-bug.cpp:6:5: internal compiler error: in expand_expr_real_1, at expr.c:9363
       }();
       ^
  Please submit a full bug report,
  with preprocessed source if appropriate.
  See <file:///usr/share/doc/gcc-4.8/README.Bugs> for instructions.
  Preprocessed source stored into /tmp/ccVaDFxq.out file, please attach this to your bugreport.

  $ g++ -v
  Using built-in specs.
  COLLECT_GCC=g++
  COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.8/lto-wrapper
  Target: x86_64-linux-gnu
  Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.8.1-10ubuntu9' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.8 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --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-4.8-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --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 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu9) 

  $ lsb_release -rd
  Description:	Ubuntu 13.10
  Release:	13.10

  $ apt-cache policy gcc-4.8
  gcc-4.8:
    Installed: 4.8.1-10ubuntu9
    Candidate: 4.8.1-10ubuntu9
    Version table:
   *** 4.8.1-10ubuntu9 0
          500 http://us.archive.ubuntu.com/ubuntu/ saucy-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       4.8.1-10ubuntu8 0
          500 http://us.archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages

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