JDK-8309685 Fix -Wconversion warnings in assembler and register code

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• Resolved

JDK-8309692 Fix -Wconversion warnings in javaClasses

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• Resolved

JDK-8310332 Fix -Wconversion warnings in MethodData

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• Resolved

JDK-8310537 Fix -Wconversion warnings in gcUtil.hpp

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• Resolved

JDK-8310577 Fix -Wconversion warnings in interpreter and oops

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• Resolved

JDK-8310906 Fix -Wconversion warnings in runtime, oops and some code header files.

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• Resolved

JDK-8311077 Fix -Wconversion warnings in jvmti code

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• Resolved

JDK-8311847 Fix -Wconversion for assembler.hpp emit_int8,16 callers

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• Resolved

JDK-8312121 Fix -Wconversion warnings in tribool.hpp

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• Resolved

JDK-8313552 Fix -Wconversion warnings in JFR code

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• Resolved

JDK-8313564 Fix -Wconversion warnings in classfile code

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• Resolved

JDK-8313785 Fix -Wconversion warnings in prims code

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• Resolved

JDK-8314114 Fix -Wconversion warnings in os code, primarily linux

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• Resolved

JDK-8314265 Fix -Wconversion warnings in miscellaneous runtime code

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• Resolved

JDK-8313554 Fix -Wconversion warnings for ResolvedFieldEntry

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• Resolved

JDK-8310906 Fix -Wconversion warnings in runtime, oops and some code header files.

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• Resolved

JDK-8313889 Fix -Wconversion warnings in foreign benchmarks

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• Resolved