#!/bin/sh
#
# Run like:
#  multidelta -level=# ./reduce-ice $FILE
#  levels: 0 0 1 1 2 2 10 10
#

FILE=writepart.i
CC=gcc-5.3.0
CFLAGS="-O2"
STRING="internal compiler error.*dwarf2out_finish"

: <<EOF
In function ‘memcpy’,
    inlined from ‘PART2diskpart’ at writepart.i:2345:5,
    inlined from ‘put_boot’ at writepart.i:2375:6:
writepart.i:1373:10: warning: call to __builtin___memcpy_chk will always overflow destination buffer
   return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
          ^
In function ‘memcpy’,
    inlined from ‘PART2diskpart’ at writepart.i:2345:5,
    inlined from ‘put_boot’ at writepart.i:2400:6:
writepart.i:1373:10: warning: call to __builtin___memcpy_chk will always overflow destination buffer
   return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
          ^
In function ‘memcpy’,
    inlined from ‘PART2diskpart’ at writepart.i:2345:5,
    inlined from ‘put_boot’ at writepart.i:2411:3:
writepart.i:1373:10: warning: call to __builtin___memcpy_chk will always overflow destination buffer
   return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
          ^
EOF

output=$($CC -pipe -c $CFLAGS $FILE -o /dev/null 2>&1)
[[ $(echo "$output" | grep -c 'call to __builtin___memcpy_chk will always overflow destination buffer') -eq 3 ]]