[Bug rtl-optimization/40552] New: wrong-code with -fsched2-use-superblocks and exceptions

[wouter dot vermaelen at scarlet dot be]

> cat bug.cc
#include <string>

void f() {
        throw 1;
}

struct Foo {
        Foo(const std::string& s);
        std::string s;
};

Foo::Foo(const std::string& s_)
        : s(s_)
{
        f();
}

int main() {
        try {
                Foo foo("");
        } catch (...) {
        }
}


> g++ -O2 -fsched2-use-superblocks bug.cc

> ./a.out
Aborted (core dumped)
(This program should exit normally.)

Backtrace:
#0  0x00007fd3d9e9b065 in raise () from /lib/libc.so.6
#1  0x00007fd3d9e9e153 in abort () from /lib/libc.so.6
#2  0x00007fd3da1cdb41 in _Unwind_Resume () from /lib/libgcc_s.so.1
#3  0x0000000000400a02 in Foo (this=0x7fffe2b81eb0, s_=@0x4377) at bug.cc:16
...

I'm using SVN revision 148947 on linux x86_64.


-- 
           Summary: wrong-code with -fsched2-use-superblocks and exceptions
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: wouter dot vermaelen at scarlet dot be


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40552