[Bug target/28586] thowing exception before main() leads to crash on AIX

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28586
Bug 28586 depends on bug 54791, which changed state.

Bug 54791 Summary: AIX-only: Constructors are not called in main program.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54791

           What    |Removed                     |Added
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             Status|WAITING                     |RESOLVED
         Resolution|---                         |INVALID