Between 20100709 and 20100823, IRIX6.5 bootstrap with Ada included broke:
$ /vol/gcc/obj/regression/trunk/6.5-gcc/build/./prev-gcc/xgcc
-B/vol/gcc/obj/regression/trunk/6.5-gcc/build/./prev-gcc/
-B/vol/gcc/mips-sgi-irix6.5/bin/ -B/vol/gcc/mips-sgi-irix6.5/bin/
-B/vol/gcc/mips-sgi-irix6.5/lib/ -isystem /vol/gcc/mips-sgi-irix6.5/include
-isystem /vol/gcc/mips-sgi-irix6.5/sys-include -c -g -O2 -gnatpg -gnata
-nostdinc -I- -I. -Iada -I/vol/gcc/src/hg/trunk/local/gcc/ada
-I/vol/gcc/src/hg/trunk/local/gcc/ada/gcc-interface
/vol/gcc/src/hg/trunk/local/gcc/ada/butil.adb -o ada/butil.o
+===========================GNAT BUG DETECTED==============================+
| 4.6.0 20100823 (experimental) (mips-sgi-irix6.5) Program_Error SIGBUS |
| Error detected at s-rident.ads:339:27 |
| Please submit a bug report; see http://gcc.gnu.org/bugs.html. |
| Use a subject line meaningful to you and us to track the bug. |
| Include the entire contents of this bug box in the report. |
| Include the exact gcc or gnatmake command that you entered. |
| Also include sources listed below in gnatchop format |
| (concatenated together with no headers between files). |
+==========================================================================+
Please include these source files with error report
Note that list may not be accurate in some cases,
so please double check that the problem can still
be reproduced with the set of files listed.
Consider also -gnatd.n switch (see debug.adb).
/vol/gcc/src/hg/trunk/local/gcc/ada/system.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/butil.adb
/vol/gcc/src/hg/trunk/local/gcc/ada/butil.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/namet.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/alloc.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/table.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/types.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/unchconv.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/unchdeal.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/hostparm.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/output.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/s-os_lib.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/s-string.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/ada.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/a-uncdea.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/targparm.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/rident.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/s-rident.ads
/vol/gcc/src/hg/t[4.6 regression] Ada bootstrap failure on IRIX 6.5: SEGV in
sem_aggr.sort_case_tablerunk/local/gcc/ada/s-exctab.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/s-stalib.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/a-unccon.ads
/vol/gcc/src/hg/trunk/local/gcc/ada/s-unstyp.ads
compilation abandoned
make[3]: *** [ada/butil.o] Error 1
Running gnat1 under gdb, I find:
(gdb) run -I- -I. -Iada -I/vol/gcc/src/hg/trunk/local/gcc/ada
-I/vol/gcc/src/hg/trunk/local/gcc/ada/gcc-interface -quiet -nostdinc -dumpbase
butil.adb -auxbase-strip ada/butil.o -O2 -g -gnatpg -gnata -mno-synci -mabi=n32
-gnatO ada/butil.o /vol/gcc/src/hg/trunk/local/gcc/ada/butil.adb
Starting program: /var/gcc/regression/trunk/6.5-gcc/build/gcc/gnat1 -I- -I.
-Iada -I/vol/gcc/src/hg/trunk/local/gcc/ada
-I/vol/gcc/src/hg/trunk/local/gcc/ada/gcc-interface -quiet -nostdinc -dumpbase
butil.adb -auxbase-strip ada/butil.o -O2 -g -gnatpg -gnata -mno-synci -mabi=n32
-gnatO ada/butil.o /vol/gcc/src/hg/trunk/local/gcc/ada/butil.adb
Program received signal SIGSEGV, Segmentation fault.
0x10399108 in sem_aggr.sort_case_table (component_typ=<value optimized out>)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:3978
Current language: auto
The current source language is "auto; currently ada".
(gdb) (gdb) where
#0 0x10399108 in sem_aggr.sort_case_table (
component_typ=<value optimized out>)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:3978
#1 sem_aggr.resolve_array_aggregate (component_typ=<value optimized out>)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:1815
#2 0x1039a24c in sem_aggr.resolve_aggregate (n=17450, typ=17262)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:1046
#3 0x1048db30 in sem_res.resolve ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_res.adb:2574
#4 0x10395918 in sem_aggr.resolve_record_aggregate.resolve_aggr_expr (
expr=17450, component=<value optimized out>)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:2959
#5 0x10397328 in sem_aggr.resolve_record_aggregate (typ=17414)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:3769
#6 0x1039a458 in sem_aggr.resolve_aggregate (n=17447, typ=17414)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:937
#7 0x1048db30 in sem_res.resolve ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_res.adb:2574
#8 0x10397db4 in sem_aggr.resolve_array_aggregate.resolve_aggr_expr (
expr=17447, single_elmt=<value optimized out>)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:1472
#9 0x10398e08 in sem_aggr.resolve_array_aggregate (
component_typ=<value optimized out>)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:1766
#10 0x1039a24c in sem_aggr.resolve_aggregate (n=17444, typ=17772)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_aggr.adb:1046
#11 0x1048db30 in sem_res.resolve ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_res.adb:2574
#12 0x1040b3d4 in sem_ch3.analyze_object_declaration ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch3.adb:2707
#13 0x10391030 in sem.analyze (n=17438)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:327
#14 sem.analyze (n=17438) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#15 0x103ee258 in sem_ch3.analyze_declarations (l=-99998861)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch3.adb:2030
#16 0x104398e8 in sem_ch7.analyze_package_specification ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch7.adb:1076
#17 0x103915c0 in sem.analyze (n=16709)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:435
#18 sem.analyze (n=16709) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#19 0x103da6b4 in sem_ch12.analyze_generic_package_declaration (n=10058)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch12.adb:2724
#20 0x103911ec in sem.analyze (n=10058)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:267
#21 sem.analyze (n=10058) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#22 0x103bd4a8 in sem_ch10.analyze_compilation_unit (n=10049)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:901
#23 0x103914d0 in sem.analyze (n=10049)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:174
#24 sem.analyze (n=10049) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#25 0x10391718 in sem.semantics.do_analyze ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:1375
#26 0x103930ec in sem.semantics ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:1461
#27 0x103b9560 in sem_ch10.analyze_with_clause (n=10035)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:2383
#28 0x10390af4 in sem.analyze (n=10035)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:583
#29 sem.analyze (n=10035) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#30 0x103b5c58 in sem_ch10.analyze_context (n=10033)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:1349
#31 0x103bd424 in sem_ch10.analyze_compilation_unit (n=10033)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:713
#32 0x103914d0 in sem.analyze (n=10033)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:174
#33 sem.analyze (n=10033) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#34 0x10391718 in sem.semantics.do_analyze ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:1375
#35 0x103930ec in sem.semantics ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:1461
#36 0x103b9560 in sem_ch10.analyze_with_clause (n=9687)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:2383
#37 0x10390af4 in sem.analyze (n=9687)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:583
#38 sem.analyze (n=9687) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#39 0x103b5c58 in sem_ch10.analyze_context (n=9685)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:1349
#40 0x103bd424 in sem_ch10.analyze_compilation_unit (n=9685)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:713
#41 0x103914d0 in sem.analyze (n=9685)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:174
#42 sem.analyze (n=9685) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#43 0x10391718 in sem.semantics.do_analyze ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:1375
#44 0x103930ec in sem.semantics ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:1461
#45 0x103b9560 in sem_ch10.analyze_with_clause (n=1669)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:2383
#46 0x10390af4 in sem.analyze (n=1669)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:583
#47 sem.analyze (n=1669) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#48 0x103b5c58 in sem_ch10.analyze_context (n=1663)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:1349
#49 0x103bd424 in sem_ch10.analyze_compilation_unit (n=1663)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem_ch10.adb:713
#50 0x103914d0 in sem.analyze (n=1663)
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:174
#51 sem.analyze (n=1663) at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:107
#52 0x10391718 in sem.semantics.do_analyze ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:1375
#53 0x103930ec in sem.semantics ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/sem.adb:1461
#54 0x102ff848 in frontend ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/frontend.adb:326
#55 0x1051b174 in gnat1drv ()
at /vol/gcc/src/hg/trunk/local/gcc/ada/gnat1drv.adb:693
#56 0x1015dfd8 in gnat_parse_file (set_yydebug=<value optimized out>)
at /vol/gcc/src/hg/trunk/local/gcc/ada/gcc-interface/misc.c:185
#57 0x107ef4e8 in compile_file (argc=21, argv=0x7ffb7ed4)
at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:971
#58 do_compile (argc=21, argv=0x7ffb7ed4)
at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:2321
#59 toplev_main (argc=21, argv=0x7ffb7ed4)
at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:2362
#60 0x10134e10 in __start ()
(gdb)
I've not yet started a reghunt to idenfity the culprit patch.
--
Summary: [4.6 regression] Ada bootstrap failure on IRIX 6.5: SEGV
in sem_aggr.sort_case_table
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ada
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: ro at gcc dot gnu dot org
GCC build triplet: mips-sgi-irix6.5
GCC host triplet: mips-sgi-irix6.5
GCC target triplet: mips-sgi-irix6.5
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45421
