[Bug c++/51231] g++ remove placement new with -O1

[dushistov at mail dot ru]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51231

--- Comment #3 from Evgeniy Dushistov <dushistov at mail dot ru> 2011-11-19 22:07:40 UTC ---
To build test case you need use command:
g++ -ggdb -O1  -Wall -Wextra boost_interp_alloc.cpp  -lboost_thread

I use boost 1.46.1.

Or you can use preprocessed attachment to look at generated assembler.
Tested on x86_64.