regcomp.c: Create fail-safe for reading out of bounds

[perl5.git] / mg_raw.h

diff --git a/mg_raw.h b/mg_raw.h
index 3095d58..2f4863b 100644 (file)
--- a/mg_raw.h
+++ b/mg_raw.h
@@ -12,8 +12,6 @@
       "/* arylen '#' Array length ($#ary) */" },
     { '%', "magic_vtable_max | PERL_MAGIC_VALUE_MAGIC",
       "/* rhash '%' Extra data for restricted hashes */" },
-    { '&', "magic_vtable_max",
-      "/* proto '&' my sub prototype CV */" },
     { '*', "want_vtbl_debugvar",
       "/* debugvar '*' $DB::single, signal, trace vars */" },
     { '.', "want_vtbl_pos | PERL_MAGIC_VALUE_MAGIC",
@@ -80,13 +78,15 @@
       "/* utf8 'w' Cached UTF-8 information */" },
     { 'x', "want_vtbl_substr | PERL_MAGIC_VALUE_MAGIC",
       "/* substr 'x' substr() lvalue */" },
+    { 'Y', "want_vtbl_nonelem | PERL_MAGIC_VALUE_MAGIC",
+      "/* nonelem 'Y' Array element that does not exist */" },
     { 'y', "want_vtbl_defelem | PERL_MAGIC_VALUE_MAGIC",
       "/* defelem 'y' Shadow \"foreach\" iterator variable / smart parameter vivification */" },
     { '\\', "want_vtbl_lvref",
       "/* lvref '\\' Lvalue reference constructor */" },
     { ']', "want_vtbl_checkcall | PERL_MAGIC_VALUE_MAGIC",
       "/* checkcall ']' Inlining/mutation of call to this CV */" },
-    { '~', "magic_vtable_max",
+    { '~', "magic_vtable_max | PERL_MAGIC_READONLY_ACCEPTABLE",
       "/* ext '~' Available for use by extensions */" },
 
 /* ex: set ro: */