Auto merge of #86336 - camsteffen:char-array-pattern, r=joshtriplett
Auto merge of #86336 - camsteffen:char-array-pattern, r=joshtriplett

impl Pattern for char array

Closes #39511
Closes #86329

aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust