On Wed, Feb 11, 2015 at 09:46:36PM -0800, Saleem Abdulrasool wrote:
> Can you provide more information about how you are building things?A
> Perhaps an exact set of steps to reproduce this.A The change should only
> effects unwind.A As such, the following is sufficient for checking the
> result:
> $ cat reduced.cc
> extern "C" int printf(const char *, ...);
> int main(int argc, char **argv) {
> A try { throw 1; } catch (const int &i) { printf("caught %u\n", i); }
> A return 0;
> }
> $ armv7a-hardfloat-linux-gnueabi-g++-4.8.3 -fno-stack-protector -c
> reduced.cc -o reduced.o
> $ armv7a-hardfloat-linux-gnueabi-g++-4.8.3 -nodefaultlibs reduced.o -o
> reduced -Llib -lunwind -lc -lc++abi
> $ LD_LIBRARY_PATH=lib ./reduced
> caught 1
> That was with current ToT of libc++abi and libunwind (LLVM).
Sorry for bothering, it doesn't happen if I compile libunwind with gcc. Only
libunwind built with clang fails, so it must be an issue somewhere else.
Thanks,
Sergey
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