What is the reason for having two bin directories in the Mingw version of gcc builds?

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The reason for having two bin directories in the Mingw version of gcc builds is to differentiate between 32-bit and 64-bit tools. One bin directory contains the 32-bit tools (i.e., executable files) and the other contains the 64-bit tools. This is done to avoid conflicts between the two versions of the tools and to ensure that the compiler and other toolchain components work properly for the desired platform.