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[Bug tree-optimization/48988] [4.7 regression] ICE at pred_chain_length_cmp at tree-ssa-uninit.c:1624
- From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 21 May 2011 09:46:58 +0000
- Subject: [Bug tree-optimization/48988] [4.7 regression] ICE at pred_chain_length_cmp at tree-ssa-uninit.c:1624
- Auto-submitted: auto-generated
- References: <bug-48988-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48988
--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-05-21 09:27:39 UTC ---
To reproduce on Linux, in the build dir:
cp gcc/ada/rts/system.ads .
chmod a+w system.ads
edit system.ads and change ZCX_By_Default to False
gcc/gnat1 gcc/ada/rts/g-catiio.adb -Igcc/ada/rts -Wall -O
This breaks the compiler on all SJLJ platforms, e.g. arm-linux.