http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46511
Summary: [4.6 Regression] Bootstrap failure: ICE in
decide_is_variable_needed, at varpool.c:338
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: blocker
Priority: P3
Component: bootstrap
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: domi...@lps.ens.fr
CC: j...@suse.cz
Host: *-apple-darwin*
Target: *-apple-darwin*
Build: *-apple-darwin*
Created attachment 22426
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22426
preprocessed file barrier.i
The assert introduced at revision 166812 triggers on *-apple-darwin*:
[macbook] x86_64-apple-darwin10.5.0/libgomp% /opt/gcc/build_w/gcc/xgcc
-B/opt/gcc/build_w/gcc/ -I. -I../../../work/libgomp
-I../../../work/libgomp/config/posix ../../../work/libgomp/barrier.c
../../../work/libgomp/barrier.c:41:1: internal compiler error: in
decide_is_variable_needed, at varpool.c:338
(see also http://gcc.gnu.org/ml/gcc-regression/2010-11/msg00205.html for
powerpc-apple-darwin9). The backtrace is
#0 fancy_abort (file=0x100e4b6c2 "../../work/gcc/varpool.c", line=338,
function=0x100e4b7d3 "decide_is_variable_needed") at
../../work/gcc/diagnostic.c:893
#1 0x0000000100d49cd1 in decide_is_variable_needed (node=0x142d0b6e8,
decl=0x142ddfaa0) at ../../work/gcc/varpool.c:338
#2 0x0000000100d4a240 in varpool_finalize_decl (decl=0x142ddfaa0) at
../../work/gcc/varpool.c:421
#3 0x00000001009dfdbb in new_emutls_decl (decl=0x142d088c0) at
../../work/gcc/tree-emutls.c:327
#4 0x00000001009e19ce in ipa_lower_emutls () at
../../work/gcc/tree-emutls.c:723
#5 0x000000010084e9ae in execute_one_pass (pass=0x1010a9400) at
../../work/gcc/passes.c:1560
#6 0x000000010084f9bf in execute_ipa_pass_list (pass=0x1010a9400) at
../../work/gcc/passes.c:1927
#7 0x0000000100cdebc9 in ipa_passes () at ../../work/gcc/cgraphunit.c:1696
#8 0x0000000100cdedac in cgraph_optimize () at
../../work/gcc/cgraphunit.c:1765
#9 0x0000000100cdc149 in cgraph_finalize_compilation_unit () at
../../work/gcc/cgraphunit.c:1017
#10 0x000000010003082d in c_write_global_declarations () at
../../work/gcc/c-decl.c:9837
#11 0x0000000100968d52 in compile_file () at ../../work/gcc/toplev.c:885
#12 0x000000010096be68 in do_compile () at ../../work/gcc/toplev.c:2319
#13 0x000000010096bfb0 in toplev_main (argc=4, argv=0x7fff5fbfda78) at
../../work/gcc/toplev.c:2380
#14 0x00000001001151dc in main (argc=4, argv=0x7fff5fbfda78) at
../../work/gcc/main.c:36
Note that I have bootstrapped gcc+gfortran with --enable-checking=release
after having commented out the assert.
