[Bug target/48519] wrong return-value, with an if () {} after return

[d.g.gorbachev at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48519

--- Comment #8 from Dmitry Gorbachev <d.g.gorbachev at gmail dot com> 
2011-04-12 19:32:16 UTC ---
"__Unwind_SjLj_Unregister clobbers return value". I can reproduce it with ver.
4.4.4; works with 4.4.6. See also: PR47490, PR30047 (of which this PR is a
dup).