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diff -wbBur Crypt-Blowfish-2.12.org/Blowfish.xs Crypt-Blowfish-2.12/Blowfish.xs
--- Crypt-Blowfish-2.12.org/Blowfish.xs 2000-11-30 09:25:21.000000000 +0300
+++ Crypt-Blowfish-2.12/Blowfish.xs 2013-05-20 15:31:52.481940353 +0400
@@ -63,8 +63,7 @@
output = sv_newmortal();
output_len = 8;
- if (!SvUPGRADE(output, SVt_PV))
- croak("cannot use output argument as lvalue");
+ SvUPGRADE(output, SVt_PV);
/* blowfish_crypt_8bytes(input, SvGROW(output, 8), ks, dir); */
/* HP-UX (HP cc) fix below, thanks Addi! */
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