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[Bug middle-end/51994] [4.6/4.7 Regression] git-1.7.8.3 miscompiled due to negative bitpos from get_inner_reference
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 26 Jan 2012 18:51:00 +0000
- Subject: [Bug middle-end/51994] [4.6/4.7 Regression] git-1.7.8.3 miscompiled due to negative bitpos from get_inner_reference
- Auto-submitted: auto-generated
- References: <bug-51994-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51994
--- Comment #23 from Uros Bizjak <ubizjak at gmail dot com> 2012-01-26 18:51:00 UTC ---
With a crosscompiler to alpha-linux-gnu, we can trigger both problems, one with
preprocessed source, another with the testcase in latest attached patch:
[uros@localhost testalpha]$ ~/gcc-build-alpha-46/gcc/cc1 -O2 -quiet pr51994.c
pr51994.c: In function âtestâ:
pr51994.c:17:3: internal compiler error: in extract_bit_field, at expmed.c:1701
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[uros@localhost testalpha]$ ~/gcc-build-alpha-46/gcc/cc1 -O2 -quiet config.i
config.c: In function âgit_config_rename_sectionâ:
config.c:1533:16: internal compiler error: in store_bit_field, at expmed.c:839
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.