support bytecode and C backends in perlcc (patch suggested

[p5sagit/p5-mst-13.2.git] / pp.c

diff --git a/pp.c b/pp.c
index cde539c..4d96370 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -375,6 +375,8 @@ PP(pp_rv2cv)
     if (cv) {
        if (CvCLONE(cv))
            cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
+       if ((PL_op->op_private & OPpLVAL_INTRO) && !CvLVALUE(cv))
+           Perl_croak(aTHX_ "Can't modify non-lvalue subroutine call");
     }
     else
        cv = (CV*)&PL_sv_undef;