micro optimization
Optimized ASSIGN_DIM and related opcodes
Fixed zval copying
Fixed zval copying
Better zval copying
Better convert
Useless assignment
ZEND_RECV didn't really use opline->extended_value for FETCH_CLASS flags
Don't use opline->extended_value for FETCH_CLASS flags where it's unnecessary
Embed FETCH_CLASS <string> into the following INSTANCEOF
Fix bug #68224 buffer-overflow in /ext/fileinfo/libmagic/readcdf.c caught by AddressSanitizer

Upstream commit
https://github.com/file/file/commit/f28fbb947e3aa55fc40b09820f59ebff6f66f213
NEWS
Merge branch 'PHP-5.6'

* PHP-5.6:
  NEWS
  Fix bug #68224 buffer-overflow in /ext/fileinfo/libmagic/readcdf.c caught by AddressSanitizer
fix datatype mismatches for strings from userspace
use zend_bool where zend_long isn't needed

spare at least 24 bytes per globals item on 64 bit
fix datatype mismatches
fix datatype mismatch and warning
fix datatype mismatch warnings
all the key_len use uint, fix the warning when using strlen on 64 bit
fixing datatype mismatches