Public bug reported:
5.2.1-22ubuntu2
s390x
wily
Good:
gcc -DHAVE_CONFIG_H -I. -I.. -I../include -g -O0 -c decode.c -fPIC -DPIC -o
.libs/decode.o
ICE:
gcc -DHAVE_CONFIG_H -I. -I.. -I../include -g -O1 -c decode.c -fPIC -DPIC -o
.libs/decode.o
Output of ICE:
decode.c: In function 'th_decode_alloc':
decode.c:400:49: warning: iteration 2u invokes undefined behavior
[-Waggressive-loop-optimizations]
qsum+=_dec->state.dequant_tables[qti][pli][qi][12]+
^
decode.c:396:3: note: containing loop
for(qi=0;qi<64;qi++){
^
decode.c: In function 'th_decode_packetin':
decode.c:2289:1: internal compiler error: in s390_emit_compare, at
config/s390/s390.c:1732
}
^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-5/README.Bugs> for instructions.
** Affects: gcc-5 (Ubuntu)
Importance: Undecided
Status: New
** Affects: libtheora (Ubuntu)
Importance: Undecided
Status: New
** Tags: ftbfs ice s390x
** Attachment added: "decode.i"
https://bugs.launchpad.net/bugs/1520539/+attachment/4526232/+files/decode.i
** Tags added: ftbfs ice s390x
** Also affects: libtheora (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1520539
Title:
compiler ICE when building libtheora on s390x
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