https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64978
Bug ID: 64978
Summary: [5 Regression] ICE: in ipcp_verify_propagated_values,
at ipa-cp.c:1060
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: hubicka at gcc dot gnu.org
Honza's patches from today break Firefox LTO build on ppc64:
trippels@gcc2-power8 makeconv % /home/trippels/gcc_test/usr/local/bin/c++ -fPIC
-Wall -Wempty-body -Woverloaded-virtual -Wsign-compare -Wwrite-strings
-Werror=endif-labels -Werror=int-to-pointer-cast -Werror=missing-braces
-Werror=pointer-arith -Werror=return-type -Werror=sequence-point
-Werror=unused-label -Werror=trigraphs -Werror=type-limits
-Wno-invalid-offsetof -Wcast-align -flto=80 --param lto-partitions=80
-fno-semantic-interposition -fdevirtualize-at-ltrans -mcpu=power8
-ffunction-sections -fdata-sections -fno-exceptions -fno-strict-aliasing -frtti
-fno-exceptions -fno-math-errno -std=gnu++0x -pthread -pipe -UDEBUG -DNDEBUG
-O3 -DU_STATIC_IMPLEMENTATION -fvisibility=hidden -W -Wall -pedantic
-Wpointer-arith -Wwrite-strings -Wno-long-long -Wno-unused
-Wno-unused-parameter -lpthread
-Wl,--hash-style=gnu,--as-needed,--gc-sections,--icf=all -Wl,-z,noexecstack
-Wl,-z,text -Wl,--build-id -Wl,--gc-sections -o ../../bin/makeconv makeconv.o
ucnvstat.o genmbcs.o gencnvex.o -L../../lib -licutu -L../../lib -licui18n
-L../../lib -licuuc -L../../stubdata -licudata -lpthread -ldl -lm
lto1: internal compiler error: in ipcp_verify_propagated_values, at
ipa-cp.c:1060
0x10d1bbef ipcp_verify_propagated_values()
../../gcc/gcc/ipa-cp.c:1060
0x10d1dcfb ipcp_propagate_stage
../../gcc/gcc/ipa-cp.c:2761
0x10d1dcfb ipcp_driver
../../gcc/gcc/ipa-cp.c:4410
0x10d1dcfb execute
../../gcc/gcc/ipa-cp.c:4505
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: fatal error: /home/trippels/gcc_test/usr/local/bin/c++ returned 1
exit status
compilation terminated.
/home/trippels/bin/ld: fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status
