http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60855
Bug ID: 60855
Summary: ICE provoked by a lambda using the sizeof a captured
statically allocated array
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: bgarvin at acm dot org
Created attachment 32611
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32611&action=edit
Preprocessed source
$ 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)
$ # Closest I could find by searching is
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56699.
