The following code causes a mysterious error.
__FUNCTION__ and __PRETTY_FUNCTION__ cause the same problem as __func__, too.
cryol...@thinblue:~/work/gcc_bug/func_in_lambda$ g++-4.5.0 -v -save-temps
-std=c++0x main.cpp
Using built-in specs.
COLLECT_GCC=g++-4.5.0
COLLECT_LTO_WRAPPER=/home/cryolite/local/libexec/gcc/i486-linux-gnu/4.5.0/lto-wrapper
Target: i486-linux-gnu
Configured with: ../gcc-4.5.0/configure --build=i486-linux-gnu
--prefix=/home/cryolite/local --program-suffix=-4.5.0
--enable-version-specific-runtime-libs --enable-languages=c,c++
Thread model: posix
gcc version 4.5.0 (GCC)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++0x' '-shared-libgcc'
'-mtune=i486' '-march=i486'
/home/cryolite/local/libexec/gcc/i486-linux-gnu/4.5.0/cc1plus -E -quiet -v
-D_GNU_SOURCE main.cpp -mtune=i486 -march=i486 -std=c++0x -fpch-preprocess -o
main.ii
ignoring duplicate directory "/home/cryolite/local/include"
ignoring nonexistent directory
"/home/cryolite/local/lib/gcc/i486-linux-gnu/4.5.0/../../../../i486-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/home/cryolite/local/include
/home/cryolite/local/lib/gcc/i486-linux-gnu/4.5.0/include/c++
/home/cryolite/local/lib/gcc/i486-linux-gnu/4.5.0/include/c++/i486-linux-gnu
/home/cryolite/local/lib/gcc/i486-linux-gnu/4.5.0/include/c++/backward
/usr/local/include
/home/cryolite/local/lib/gcc/i486-linux-gnu/4.5.0/include
/home/cryolite/local/lib/gcc/i486-linux-gnu/4.5.0/include-fixed
/usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++0x' '-shared-libgcc'
'-mtune=i486' '-march=i486'
/home/cryolite/local/libexec/gcc/i486-linux-gnu/4.5.0/cc1plus -fpreprocessed
main.ii -quiet -dumpbase main.cpp -mtune=i486 -march=i486 -auxbase main
-std=c++0x -version -o main.s
GNU C++ (GCC) version 4.5.0 (i486-linux-gnu)
compiled by GNU C version 4.5.0, GMP version 4.3.1, MPFR version
2.4.1-p2, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=81 --param ggc-min-heapsize=95967
GNU C++ (GCC) version 4.5.0 (i486-linux-gnu)
compiled by GNU C version 4.5.0, GMP version 4.3.1, MPFR version
2.4.1-p2, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=81 --param ggc-min-heapsize=95967
Compiler executable checksum: f3cfa96cf9dcd630b91f4110d3b8b2b3
cc1plus: error: declaration of 'const char __func__ [5]'
main.cpp:3:17: error: conflicts with previous declaration 'const char __func__
[11]'
cryol...@thinblue:~/work/gcc_bug/func_in_lambda$ cat main.ii
# 1 "main.cpp"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "main.cpp"
int main()
{
[]() { return __func__; };
__func__;
}
--
Summary: [C++0x]a mysterious error on __func__ in a lambda
expression
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: ai dot azuma at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44160
