On Fri, Jan 04, 2013 at 04:49:41PM +0100, Stefan Farfeleder wrote: > On Wed, Jan 02, 2013 at 02:59:50PM +0100, Stefan Farfeleder wrote: > > On Sun, Dec 30, 2012 at 11:17:10PM +0100, Dimitry Andric wrote: > > > > > > I have been playing with Stefan's testcase for a while now, and while I > > > can reproduce the crashes, I am still at a loss about the cause. It > > > does seem to have something to do with throwing exceptions, but I am > > > still not sure whether I am looking at a bug in boost, gcc, clang, or > > > libgcc... > > > > > > Do you happen to have a smaller testcase, by any chance? > > > > Not yet, but I'll try to come up with something smaller. > > Here's a minimal test case that reproduces the bug: > > $ cat throw-crash.cc > #include <stdexcept> > > void f2(void) { > std::string s; > throw std::runtime_error("foo"); > } > > void f1(void) { > f2(); > } > > int main(void) { > try { > std::string s1, s2; > f1(); > return 0; > } catch (const std::exception &) { > return 1; > } > } > $ g++ -O2 -finline-limit=0 throw-crash.cc > $ ./a.out > zsh: bus error (core dumped) ./a.out What is the backtrace ? Compile the system libraries (ld-elf, libc, libgcc etc) with the debugging information and obtain the backtrace once more.
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