Test with a SVN build:
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/home/rodrigo/local/gcc/libexec/gcc/i686-pc-linux-gnu/4.5.0/lto-wrapper
Target: i686-pc-linux-gnu
Configured with: ../configure --prefix=/home/rodrigo/local/gcc
--with-gmp=/home/rodrigo/local/gcc --with-mpfr=/home/rodrigo/local/gcc
--with-mpc=/home/rodrigo/local/gcc --enable-lto --enable-languages=c,c++,lto
Thread model: posix
gcc version 4.5.0 20091212 (experimental) (GCC)
The attached code emits a non-sensical warning (both functions return void!).
If the lambda is deleted it works as expected.
$ g++ -c -std=gnu++0x -o test.o -Wall -save-temps test.cpp
test.cpp: In function 'int end()':
test.cpp:8:1: warning: no return statement in function returning non-void
test.cpp: In function 'int start()':
test.cpp:3:1: warning: control reaches end of non-void function
--
Summary: in a void function: "Warning: control reaches end of
non-void function"
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: rodrigorivascosta at gmail dot com
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42370
