Re: how to build with -DPERL_MEM_LOG ?

[p5sagit/p5-mst-13.2.git] / pod / perldiag.pod

diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index 54b42eb..44b83ed 100644 (file)
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -1076,19 +1076,13 @@ redefined subroutine while the old routine is running.  Go figure.
 (F) You tried to unshift an "unreal" array that can't be unshifted, such
 as the main Perl stack.
 
-=item Can't upgrade that kind of scalar
+=item Can't upgrade %s (%d) to %d
 
 (P) The internal sv_upgrade routine adds "members" to an SV, making it
 into a more specialized kind of SV.  The top several SV types are so
 specialized, however, that they cannot be interconverted.  This message
 indicates that such a conversion was attempted.
 
-=item Can't upgrade to undef
-
-(P) The undefined SV is the bottom of the totem pole, in the scheme of
-upgradability.  Upgrading to undef indicates an error in the code
-calling sv_upgrade.
-
 =item Can't use anonymous symbol table for method lookup
 
 (F) The internal routine that does method lookup was handed a symbol
@@ -1271,6 +1265,11 @@ uses the character values modulus 256 instead, as if you had provided:
 
 (W unopened) You tried to close a filehandle that was never opened.
 
+=item closedir() attempted on invalid dirhandle %s
+
+(W io) The dirhandle you tried to close is either closed or not really
+a dirhandle.  Check your control flow.
+
 =item Code missing after '/'
 
 (F) You had a (sub-)template that ends with a '/'. There must be another
@@ -1507,6 +1506,10 @@ subroutine or package before the current location.  You can use an empty
 (W misc) You used the obsolescent C<dump()> built-in function, without fully
 qualifying it as C<CORE::dump()>.  Maybe it's a typo.  See L<perlfunc/dump>.
 
+=item dump is not supported
+
+(F) Your machine doesn't support dump/undump.
+
 =item Duplicate free() ignored
 
 (S malloc) An internal routine called free() on something that had
@@ -1973,10 +1976,20 @@ transparently promotes all numbers to a floating point representation
 internally--subject to loss of precision errors in subsequent
 operations.
 
+=item Integer overflow in division
+
+(F) In the scope of the C<use integer;> pragma, division would have overflowed.
+This will happen if you attempt to divide the largest negative integer by -1,
+since the result cannot be represented as a signed integer on a two's complement
+system.  This division is trapped as a Perl-level exception because on some
+architectures the integer divide operation will trigger a CPU exception
+causing program exit, rather than merely returning a mathematically wrong
+answer.
+
 =item Integer overflow in format string for %s
 
-(F) The indexes and widths specified in the format string of printf()
-or sprintf() are too large.  The numbers must not overflow the size of
+(F) The indexes and widths specified in the format string of C<printf()>
+or C<sprintf()> are too large.  The numbers must not overflow the size of
 integers for your architecture.
 
 =item Integer overflow in version
@@ -3353,6 +3366,11 @@ are outside the range which can be represented by integers internally.
 One possible workaround is to force Perl to use magical string increment
 by prepending "0" to your numbers.
 
+=item readdir() attempted on invalid dirhandle %s
+
+(W io) The dirhandle you're reading from is either closed or not really 
+a dirhandle.  Check your control flow.
+
 =item readline() on closed filehandle %s
 
 (W closed) The filehandle you're reading from got itself closed sometime
@@ -3445,6 +3463,11 @@ terminates. You might use ^# instead.  See L<perlform>.
 (W syntax) You wrote your assignment operator backwards.  The = must
 always comes last, to avoid ambiguity with subsequent unary operators.
 
+=item rewinddir() attempted on invalid dirhandle %s
+
+(W io) The dirhandle you tried to do a rewinddir() on is either closed or not
+really a dirhandle.  Check your control flow.
+
 =item Runaway format
 
 (F) Your format contained the ~~ repeat-until-blank sequence, but it
@@ -3521,6 +3544,11 @@ the conditional expression, i.e. C<(foo) ? 0 : 1>.
 (W unopened) You tried to use the seek() or sysseek() function on a
 filehandle that was either never opened or has since been closed.
 
+=item seekdir() attempted on invalid dirhandle %s
+
+(W io) The dirhandle you are doing a seekdir() on is either closed or not
+really a dirhandle.  Check your control flow.
+
 =item select not implemented
 
 (F) This machine doesn't implement the select() system call.
@@ -3878,6 +3906,11 @@ for Perl to reach.  Perl is doing you a favor by refusing.
 (W unopened) You tried to use the tell() function on a filehandle that
 was either never opened or has since been closed.
 
+=item telldir() attempted on invalid dirhandle %s
+
+(W io) The dirhandle you tried to telldir() is either closed or not really
+a dirhandle.  Check your control flow.
+
 =item That use of $[ is unsupported
 
 (F) Assignment to C<$[> is now strictly circumscribed, and interpreted
@@ -4686,6 +4719,11 @@ are automatically rebound to the current values of such variables.
 its equivalent C<BEGIN> block found an internal inconsistency with
 the version number.
 
+=item Version string '%s' contains invalid data; ignoring: '%s'
+
+(W misc) The version string contains invalid characters at the end, which
+are being ignored.
+
 =item v-string in use/require is non-portable
 
 (W portable) The use of v-strings is non-portable to older, pre-5.6, Perls.