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2019-06-20 Jay Berkenbilt <ejb@ql.org>
+ * Enable compilation with additional warnings for integer
+ conversion and sign (-Wsign-conversion, -Wconversion for gcc and
+ similar; -W3 for msvc) if supported. These warnings are on by
+ default can be turned off by passing --disable-int-warnings
+
* Fix all integer sign and conversion warnings. This makes all
integer type conversions that have potential data loss explicit
with calls that do range checks and raise an exception.