568732/reduce-ice

   1 #!/bin/sh
   2 #
   3 # Run like:
   4 #  multidelta -level=# ./reduce-ice $FILE
   5 #  levels: 0 0 1 1 2 2 10 10
   6 #
   7
   8 FILE=writepart.i
   9 CC=gcc-5.3.0
  10 CFLAGS="-O2"
  11 STRING="internal compiler error.*dwarf2out_finish"
  12
  13 : <<EOF
  14 In function ‘memcpy’,
  15     inlined from ‘PART2diskpart’ at writepart.i:2345:5,
  16     inlined from ‘put_boot’ at writepart.i:2375:6:
  17 writepart.i:1373:10: warning: call to __builtin___memcpy_chk will always overflow destination buffer
  18    return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
  19           ^
  20 In function ‘memcpy’,
  21     inlined from ‘PART2diskpart’ at writepart.i:2345:5,
  22     inlined from ‘put_boot’ at writepart.i:2400:6:
  23 writepart.i:1373:10: warning: call to __builtin___memcpy_chk will always overflow destination buffer
  24    return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
  25           ^
  26 In function ‘memcpy’,
  27     inlined from ‘PART2diskpart’ at writepart.i:2345:5,
  28     inlined from ‘put_boot’ at writepart.i:2411:3:
  29 writepart.i:1373:10: warning: call to __builtin___memcpy_chk will always overflow destination buffer
  30    return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
  31           ^
  32 EOF
  33
  34 output=$($CC -pipe -c $CFLAGS $FILE -o /dev/null 2>&1)
  35 [[ $(echo "$output" | grep -c 'call to __builtin___memcpy_chk will always overflow destination buffer') -eq 3 ]]