$NetBSD: patch-js_src_gc_Statistics.cpp,v 1.1 2016/02/14 07:30:54 ryoon Exp $ --- js/src/gc/Statistics.cpp.orig 2015-02-05 11:52:40.000000000 +0000 +++ js/src/gc/Statistics.cpp 2015-02-05 11:52:28.000000000 +0000 @@ -221,8 +221,8 @@ while (*c) { if (*c == ' ' || *c == '\t') p('_'); - else if (isupper(*c)) - p(tolower(*c)); + else if (isupper((unsigned char)*c)) + p(tolower((unsigned char)*c)); else if (*c == '+') p("added_"); else if (*c == '-')