lval = SvUV(sv);
offset = LvTARGOFF(sv);
if (offset < 0)
- Perl_croak(aTHX_ "Assigning to negative offset in vec");
+ Perl_croak(aTHX_ "Negative offset to vec in lvalue context");
size = LvTARGLEN(sv);
if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
Perl_croak(aTHX_ "Illegal number of bits in vec");