Compiling glibc with current GCC CVS I get the following ICE:
/opt/gcc/4.0-devel/libexec/gcc/x86_64-suse-linux-gnu/4.0.0/cc1 -fpreprocessed
iso-2022-cn-ext.i -quiet -dumpbase iso-2022-cn-ext.c -mtune=k8
-auxbase-strip /builds/glibc/4.0/iconvdata/iso-2022-cn-ext.os -g -O2 -Wall
-Winline -Wstrict-prototypes -Wwrite-strings -std=gnu99 -version -fPIC -o
iso-2022-cn-ext.s
GNU C version 4.0.0 20050216 (experimental) (x86_64-suse-linux-gnu)
compiled by GNU C version 4.0.0 20050216 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
iso-2022-cn-ext.i: In function ?to_iso2022cn_ext_loop?:
iso-2022-cn-ext.i:10970: warning: pointer targets in passing argument 2 of
?ucs4_to_gb2312? differ in signedness
iso-2022-cn-ext.i:10970: warning: pointer targets in passing argument 2 of
?ucs4_to_cns11643l1? differ in signedness
iso-2022-cn-ext.i:10970: warning: pointer targets in passing argument 2 of
?ucs4_to_cns11643l2? differ in signedness
iso-2022-cn-ext.i:10970: warning: pointer targets in passing argument 2 of
?ucs4_to_gb2312? differ in signedness
iso-2022-cn-ext.i:10970: warning: pointer targets in passing argument 2 of
?ucs4_to_cns11643l1? differ in signedness
iso-2022-cn-ext.i: In function ?to_iso2022cn_ext_loop_single?:
iso-2022-cn-ext.i:11042: warning: pointer targets in passing argument 2 of
?ucs4_to_gb2312? differ in signedness
iso-2022-cn-ext.i:11042: warning: pointer targets in passing argument 2 of
?ucs4_to_cns11643l1? differ in signedness
iso-2022-cn-ext.i:11042: warning: pointer targets in passing argument 2 of
?ucs4_to_cns11643l2? differ in signedness
iso-2022-cn-ext.i:11042: warning: pointer targets in passing argument 2 of
?ucs4_to_gb2312? differ in signedness
iso-2022-cn-ext.i:11042: warning: pointer targets in passing argument 2 of
?ucs4_to_cns11643l1? differ in signedness
iso-2022-cn-ext.i: In function ?gconv?:
iso-2022-cn-ext.i:11485: error: verify_flow_info: Incorrect fallthru 1740->1741
iso-2022-cn-ext.i:11485: error: wrong insn in the fallthru edge
(barrier 11408 11388 11417)
iso-2022-cn-ext.i:11485: internal compiler error: in rtl_verify_flow_info, at
cfgrtl.c:2212
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
--
Summary: internal compiler error: in rtl_verify_flow_info, at
cfgrtl.c:2212
Product: gcc
Version: 4.0.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: aj at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: x86_64-linux-gnu
GCC host triplet: x86_64-linux-gnu
GCC target triplet: x86_64-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20017
