[Bug middle-end/46916] New: gcc.dg/torture/stackalign/non-local-goto-[1,2].c ICEs compiler from profiledbootstrap

["howarth at nitro dot med.uc.edu" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46916

           Summary: gcc.dg/torture/stackalign/non-local-goto-[1,2].c ICEs
                    compiler from profiledbootstrap
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: howarth@nitro.med.uc.edu


When gcc trunk is built with profiledbootstrap, the resulting compiler exhibits
ICEs in...

FAIL: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  (internal compiler
error)
FAIL: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  (test for excess
errors)
WARNING: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  compilation failed
to produce executable
FAIL: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  (internal compiler
error)
FAIL: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  (test for excess
errors)
WARNING: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  compilation failed
to produce executable
FAIL: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  (internal compiler
error)
FAIL: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  (test for excess
errors)
WARNING: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  compilation failed
to produce executable
FAIL: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  (internal compiler
error)
FAIL: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  (test for excess
errors)
WARNING: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  compilation failed
to produce executable
FAIL: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  (internal compiler
error)
FAIL: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  (test for excess
errors)
WARNING: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  compilation failed
to produce executable
FAIL: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  (internal compiler
error)
FAIL: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  (test for excess
errors)
WARNING: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  compilation failed
to produce executable
FAIL: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  (internal compiler
error)
FAIL: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  (test for excess
errors)
WARNING: gcc.dg/torture/stackalign/non-local-goto-1.c  -O1  compilation failed
to produce executable
FAIL: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  (internal compiler
error)
FAIL: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  (test for excess
errors)
WARNING: gcc.dg/torture/stackalign/non-local-goto-2.c  -O1  compilation failed
to produce executable

These are of the form...

/Users/howarth/darwin_objdir/gcc/xgcc -B/Users/howarth/darwin_objdir/gcc/
/Users/howarth/gcc/gcc/testsuite/gcc.dg/torture/stackalign/non-local-goto-1.c  
-O1  -mstackrealign -mpreferred-stack-boundary=5 -mno-mmx  -lm   -m32 -o
./non-local-goto-1.exe
xgcc: internal compiler error: Segmentation fault (program cc1)

and backtrace as...

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00007fff5bc00fe0
0x0000000100829fa8 in htab_find_slot_with_hash (htab=0x143200af0,
element=<value temporarily unavailable, due to optimizations>, hash=<value
temporarily unavailable, due to optimizations>, insert=INSERT) at
../../gcc/libiberty/hashtab.c:668
668      else if ((*htab->eq_f) (entry, element))
(gdb) bt
#0  0x0000000100829fa8 in htab_find_slot_with_hash (htab=0x143200af0,
element=<value temporarily unavailable, due to optimizations>, hash=<value
temporarily unavailable, due to optimizations>, insert=INSERT) at
../../gcc/libiberty/hashtab.c:668
#1  0x00000001007bc701 in cgraph_node (decl=0x143304e00) at
../../gcc/gcc/cgraph.c:502
(gdb)