This trivial patch causes gcc to emit a warning whenever
it generates a trampoline. These are otherwise hard to
locate. It is rigged to default ON - to have it default
to OFF remove the text 'Init(1)' from the common.opt
patch, leaving just 'Common Var(warn_trampolines)'.
Kevin F. Quinn <kevquinn@gentoo.org> 17 Jan 2006
Ported to GCC 4.5.x /Zorry
http://gcc.gnu.org/ml/gcc-patches/2010-05/msg00352.html
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