diff options
| -rw-r--r-- | util.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -1914,9 +1914,12 @@ Perl_croak(pTHX_ const char *pat, ...) /* =for apidoc croak_no_modify -Exactly equivalent to C<Perl_croak(aTHX_ "%s", PL_no_modify)>, but generates -terser object code than using C<Perl_croak>. Less code used on exception code -paths reduces CPU cache pressure. +This encapsulates a common reason for dying, generating terser object code than +using the generic C<Perl_croak>. It is exactly equivalent to +C<Perl_croak(aTHX_ "%s", PL_no_modify)> (which expands to something like +"Modification of a read-only value attempted"). + +Less code used on exception code paths reduces CPU cache pressure. =cut */ |