[Bug ada/45394] New: [4.6 regression] gnat fails to build on s390, trunk 20100814

["doko at ubuntu dot com" <gcc-bugzilla@gcc.gnu.org>]

gnat fails to build on s390, trunk 20100814:

/build/buildd-gcc-snapshot_20100814-1-s390-y0XRB7/gcc-snapshot-20100814/build/./gcc/xgcc
-B/build/buildd-gcc-snapshot_20100814-1-s390-y0XRB7/gcc-snapshot-20100814/build/./gcc/
-B/usr/lib/gcc-snapshot/s390-linux-gnu/bin/
-B/usr/lib/gcc-snapshot/s390-linux-gnu/lib/ -isystem
/usr/lib/gcc-snapshot/s390-linux-gnu/include -isystem
/usr/lib/gcc-snapshot/s390-linux-gnu/sys-include    -c -g -O2  -fPIC  -W -Wall
-gnatpg   g-comlin.adb -o g-comlin.o

g-comlin.adb: In function 'GNAT.COMMAND_LINE.CURRENT_PARAMETER':
g-comlin.adb:2412:8: error: missing REG_EH_REGION note in the end of bb 29
g-comlin.adb:2412:8: error: in basic block 29:
g-comlin.adb:2412:8: error: flow control insn inside a basic block
(insn 157 155 156 29 (parallel [
            (set (mem/s/j:SI (reg/f:SI 80 [ D.6104 ]) [31
D.6104_152->BOUNDS.LB0+0 S4 A32])
                (plus:SI (reg/v:SI 59 [
gnat__command_line__current_parameter__B_56__TTpSP1___L ])
                    (const_int 1 [0x1])))
            (clobber (reg:CC 33 %cc))
        ]) g-comlin.adb:2409 250 {*addsi3}
     (expr_list:REG_UNUSED (reg:CC 33 %cc)
        (expr_list:REG_DEAD (reg/v:SI 59 [
gnat__command_line__current_parameter__B_56__TTpSP1___L ])
            (expr_list:REG_EH_REGION (const_int 1 [0x1])
                (nil)))))
+===========================GNAT BUG DETECTED==============================+
| 4.6.0 20100814 (experimental) [trunk revision 163239] (s390-ibm-linux-gnu)
GCC error:|
| in rtl_verify_flow_info_1, at cfgrtl.c:2030                              |
| Error detected around g-comlin.adb:2412:8                                |
| 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).

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raised TYPES.UNRECOVERABLE_ERROR : comperr.adb:423
make[9]: *** [g-comlin.o] Error 1


-- 
           Summary: [4.6 regression] gnat fails to build on s390, trunk
                    20100814
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ada
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: doko at ubuntu dot com
GCC target triplet: s390-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45394

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