try-catch

gistfile1.txt

fredemmott-pro:tmp fredemmott$ cat test.cpp
#include <iostream>

using namespace std;

class Foo {};

inline __attribute__((__always_inline__)) void do_stuff() {
  // This is a local label everywhere except MacOS; on MacOS,
  // as it's a non-local label, a noexcept frame gets generated,
  // then inlined. The noexcept frame probably shouldn't be generated,
  // but hey.
  //
  // This can be fixed by using `Lfoo` on MacOS, but should remain
  // '.Lfoo' pretty much everywhere else
  __asm__ __volatile__ (".Lfoo:\n");
  cout << "Hello, world" << endl;
}

int main(int argc, char** argv, char** envv) {
  try {
    cout << "In try" << endl;
    do_stuff();
    throw Foo();
  } catch (Foo f) {
    cout << "in catch Foo" << endl;
  } catch (...) {
    cout << "in catch ..." << endl;
  }
  cout << "at end of function" << endl;
}
fredemmott-pro:tmp fredemmott$ g++ test.cpp
fredemmott-pro:tmp fredemmott$ ./a.out
In try
Hello, world
libc++abi.dylib: terminating with uncaught exception of type Foo
Abort trap: 6