[Bug lto/47287] New: FAIL: gcc.c-torture/execute/builtins/20010124-1.c execution with -flto

["danglin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47287

           Summary: FAIL: gcc.c-torture/execute/builtins/20010124-1.c
                    execution with -flto
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: danglin@gcc.gnu.org
              Host: hppa-unknown-linux-gnu
            Target: hppa-unknown-linux-gnu
             Build: hppa2.0w-hp-hpux11.11


Executing on host: /home2/dave/gcc-4.6/objdir/gcc/xgcc
-B/home2/dave/gcc-4.6/obj
dir/gcc/
/home2/dave/gcc-4.6/gcc/gcc/testsuite/gcc.c-torture/execute/builtins/20
010124-1.c
/home2/dave/gcc-4.6/gcc/gcc/testsuite/gcc.c-torture/execute/builtins/
20010124-1-lib.c
/home2/dave/gcc-4.6/gcc/gcc/testsuite/gcc.c-torture/execute/bui
ltins/lib/main.c  -w  -O2 -flto   -lm   -o
/home2/dave/gcc-4.6/objdir/gcc/testsu
ite/gcc/20010124-1.x7    (timeout = 300)
PASS: gcc.c-torture/execute/builtins/20010124-1.c compilation,  -O2 -flto 
Setting LD_LIBRARY_PATH to
:/home2/dave/gcc-4.6/objdir/gcc::/home2/dave/gcc-4.6/
objdir/gcc:/home2/dave/gcc-4.6/objdir/hppa-linux/libstdc++-v3/src/.libs:/home2/d
ave/gcc-4.6/objdir/hppa-linux/libmudflap/.libs:/home2/dave/gcc-4.6/objdir/hppa-l
inux/libssp/.libs:/home2/dave/gcc-4.6/objdir/hppa-linux/libgomp/.libs:/home2/dav
e/gcc-4.6/objdir/./gcc:/home2/dave/gcc-4.6/objdir/./prev-gcc
FAIL: gcc.c-torture/execute/builtins/20010124-1.c execution,  -O2 -flto 

This might be a regression.

Program fails because main_test function is replaced by millicode function
$$dyncall from milli.S:

(gdb) r
Starting program: /home2/dave/gcc-4.6/objdir/gcc/testsuite/gcc/20010124-1.x6g 

Breakpoint 1, main_test ()
    at ../../../gcc/libgcc/../gcc/config/pa/milli64.S:219
219        bb,>=,n %r22,30,LREF(1)        ; branch if not plabel address
(gdb) disass
Dump of assembler code for function main_test:
=> 0x00010544 <+0>:    bb,>=,n r22,1e,0x10554 <main_test+16>
   0x00010548 <+4>:    depwi 0,31,2,r22
   0x0001054c <+8>:    ldw 4(r22),r19
   0x00010550 <+12>:    ldw 0(r22),r22
   0x00010554 <+16>:    bv r0(r22)
   0x00010558 <+20>:    stw rp,-18(sp)
End of assembler dump.