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From: "hubicka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug lto/65316] [5 Regression] LTO: Uninitialized memory / ICE with -g -fno-lto-odr-type-merging: in types_same_for_odr, at ipa-devirt.c:465
Date: Sat, 07 Mar 2015 18:40:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65316

--- Comment #10 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Unfortunately the patch breaks firefox LTO in an interesting way - I am
investigating if it is a firefox bug or not.