Using gcc 4.3.0 20070818 (experimental) has tI hit the following problem
building libjava
libtool: compile: /home/dps/src/egcs/gcc-i686/gcc/gcj
-B/home/dps/src/egcs/gcc-i686/i686-pc-linux-gnu/libjava/
-B/home/dps/src/egcs/gcc-i686/gcc/ -ffloat-store -fomit-frame-pointer -Usun
-fclasspath= -fbootclasspath=../../../gcc/libjava/classpath/lib
--encoding=UTF-8 -Wno-deprecated -fbootstrap-classes -g -O2 -c
-fsource-filename=/home/dps/src/egcs/gcc-i686/i686-pc-linux-gnu/libjava/classpath/lib/classes
-MT java/util.lo -MD -MP -MF java/util.deps @java/util.list -fPIC -o
java/.libs/util.o
../../../../../gcc/libjava/classpath/java/util/AbstractMap.java: In class
'java.util.AbstractMap$2$1':
../../../../../gcc/libjava/classpath/java/util/AbstractMap.java: In constructor
'(java.util.AbstractMap$2)':
../../../../../gcc/libjava/classpath/java/util/AbstractMap.java:604: error:
class 'java.util.AbstractMap$2' has no method named 'access$0' matching
signature '(Ljava/util/AbstractMap$2;)Ljava/util/AbstractMap;'
../../../../../gcc/libjava/classpath/java/util/AbstractMap.java: In class
'java.util.AbstractMap$3':
../../../../../gcc/libjava/classpath/java/util/AbstractMap.java: In method
'access$0(java.util.AbstractMap$3)':
../../../../../gcc/libjava/classpath/java/util/AbstractMap.java:0: internal
compiler error: Segmentation fault
Apprerently the reason for this that fini_ssa_operands is called more times
than init_ssa_operands. Backtrace of call with n_initialized=0 is
(gdb) bt
#0 fini_ssa_operands () at ../../gcc/gcc/tree-ssa-operands.c:389
#1 0x08403a40 in delete_tree_ssa () at ../../gcc/gcc/tree-ssa.c:866
#2 0x0832fedc in execute_free_datastructures () at
../../gcc/gcc/tree-optimize.c:215
#3 0x0824b79f in execute_one_pass (pass=0x87c3540) at
../../gcc/gcc/passes.c:1108
#4 0x0824b99f in execute_pass_list (pass=0x87c3540) at
../../gcc/gcc/passes.c:1161
#5 0x0832ffed in tree_rest_of_compilation (fndecl=0xb7c98f80) at
../../gcc/gcc/tree-optimize.c:405
#6 0x084a5cf0 in cgraph_expand_function (node=0xb7454280) at
../../gcc/gcc/cgraphunit.c:1077
#7 0x084a7060 in cgraph_assemble_pending_functions () at
../../gcc/gcc/cgraphunit.c:440
#8 0x084a74ed in cgraph_finalize_function (decl=0xb7c98f80, nested=0 '\0') at
../../gcc/gcc/cgraphunit.c:557
#9 0x08064889 in finish_method (fndecl=0xb7c98f80) at
../../gcc/gcc/java/decl.c:1859
#10 0x08070415 in end_java_method () at ../../gcc/gcc/java/decl.c:1807
#11 0x08095308 in parse_class_file () at ../../gcc/gcc/java/jcf-parse.c:1689
#12 0x08095cf3 in java_parse_file (set_yydebug=0) at
../../gcc/gcc/java/jcf-parse.c:1980
#13 0x082ce838 in toplev_main (argc=34, argv=0xbfdc8ba4) at
../../gcc/gcc/toplev.c:1043
#14 0x080a15bf in main (argc=Cannot access memory at address 0x4
) at ../../gcc/gcc/main.c:35
n_initialized reaches -4 and then the code segaults on line 1092 of
upodate_stmt_operands. Backtrace is
#0 0x083c46b3 in update_stmt_operands (stmt=0xb7469c40) at
../../gcc/gcc/tree-ssa-operands.c:1092
#1 0x082d3742 in bsi_insert_after (i=0xbfdc8780, t=0xb7469c40, m=BSI_NEW_STMT)
at ../../gcc/gcc/tree-flow-inline.h:368
#2 0x084c83ff in copy_body (id=0xbfdc881c, count=<value optimized out>,
frequency=0, entry_block_map=0xb746b8e8, exit_block_map=0xb746b924) at
../../gcc/gcc/tree-inline.c:811
#3 0x084c9b8d in tree_function_versioning (old_decl=0xb7ca0200,
new_decl=0xb7467680, tree_map=0x0, update_clones=1 '\001') at
../../gcc/gcc/tree-inline.c:3445
#4 0x084a6b97 in save_inline_function_body (node=0xb7467380) at
../../gcc/gcc/cgraphunit.c:1626
#5 0x084ac22e in apply_inline () at ../../gcc/gcc/ipa-inline.c:1580
#6 0x0824b79f in execute_one_pass (pass=0x87c4ca0) at
../../gcc/gcc/passes.c:1108
#7 0x0824b99f in execute_pass_list (pass=0x87c4ca0) at
../../gcc/gcc/passes.c:1161
#8 0x0832ffed in tree_rest_of_compilation (fndecl=0xb7ca0200) at
../../gcc/gcc/tree-optimize.c:405
#9 0x084a5cf0 in cgraph_expand_function (node=0xb7467380) at
../../gcc/gcc/cgraphunit.c:1077
#10 0x084a7060 in cgraph_assemble_pending_functions () at
../../gcc/gcc/cgraphunit.c:440
#11 0x084a74ed in cgraph_finalize_function (decl=0xb7ca0200, nested=0 '\0') at
../../gcc/gcc/cgraphunit.c:557
#12 0x08064889 in finish_method (fndecl=0xb7ca0200) at
../../gcc/gcc/java/decl.c:1859
#13 0x08070415 in end_java_method () at ../../gcc/gcc/java/decl.c:1807
#14 0x08095308 in parse_class_file () at ../../gcc/gcc/java/jcf-parse.c:1689
#15 0x08095cf3 in java_parse_file (set_yydebug=0) at
../../gcc/gcc/java/jcf-parse.c:1980
#16 0x082ce838 in toplev_main (argc=34, argv=0xbfdc8ba4) at
../../gcc/gcc/toplev.c:1043
#17 0x080a15bf in main (argc=65715, argv=0x0) at ../../gcc/gcc/main.c:35
--
Summary: jc1 segault building lljava/java/util/AbstractMap.java
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dps at simpson dot demon dot co dot uk
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33114
