[MC-125279] Some trees have ores as leaves

I generated a new world and I spawned next to a forest, I turn around and see that some trees generated with coal ore instead of leaves.

Linked issues

duplicates 1

MC-125807 Block ids are inserted wrongly into chunk section block palettes Resolved

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Comments 2

mxblue28 2018-02-14T21:30:47Z

Please provide seed and coordinates.

[Mod] redstonehelper 2018-02-18T01:34:33Z

Please also force a crash by pressing F3 C for 10 seconds while in-game and attach the crash report ([minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/guides/finding-minecraft-data-folder]) here.