http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54267
Bug #: 54267
Summary: std::exception not catched when -O3 (-Os is fine, link
static, FreeBSD 9.0-RELEASE-p3)
Classification: Unclassified
Product: gcc
Version: 4.7.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: david.kel...@litchis.fr
1 #include <iostream>
2 #include <boost/asio.hpp>
3
4 /**
5 * This exception is uncatchable !
6 */
7 void
8 do_throw_uncatchable
9 ( void )
10 {
11 // Simulate a boost::asio::error
12 boost::asio::detail::throw_error( boost::asio::error::eof, "asio" );
13 }
14
15 /**
16 * Now the exceptions thrown becomes catchable,
17 * when the function lives in an anonymous namespace.
18 */
19 namespace {
20
21 void
22 do_throw_catchable
23 ( void )
24 {
25 // Simulate a boost::asio::error
26 boost::asio::detail::throw_error( boost::asio::error::eof, "asio" );
27 }
28
29 } // anonymous namespace
30
31
32 /**
33 * Expect:
34 * #############
35 * catched catchable
36 * catched uncatchable
37 * ############
38 *
39 * But see:
40 * #############
41 * cacthed catchable
42 * terminate called after throwing an instance of
'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::system::system_error>
>'
43 * what(): asio: End of file
44 * Abort trap (core dumped)
45 * #############
46 */
47 int
48 main
49 ( int argc
50 , char* argv[] )
51 {
52 try
53 {
54 do_throw_catchable();
55 }
56 catch ( std::exception const& )
57 {
58 std::cout << "catched catchable" << std::endl;
59 }
60
61 try
62 {
63 do_throw_uncatchable();
64 }
65 catch ( std::exception const& )
66 {
67 std::cout << "catched uncatchable" << std::endl;
68 }
69
70 return 0;
71 }
72
g++48 -ftemplate-depth-128 --std=c++11 -Os -finline-functions -Wno-inline
-Wall -pthread -DBOOST_ALL_NO_LIB -DBOOST_ASIO_HAS_MOVE -DNDEBUG -c -o
"bin/gcc-4.8/release/link-static/optimization-space/threading-multi/main.o"
"main.cpp"
g++48 -o
"bin/gcc-4.8/release/link-static/optimization-space/threading-multi/main"
-Wl,--start-group
"bin/gcc-4.8/release/link-static/optimization-space/threading-multi/main.o"
-Wl,-Bstatic -lboost_system -Wl,-Bdynamic -Wl,--end-group
-Wl,-rpath,/usr/local/lib/gcc48 -Wl,--strip-all -pthread
I'll try to reproduce without boost.
