Rollup merge of #45089 - rkruppe:master, r=bluss
Rollup merge of #45089 - rkruppe:master, r=bluss

Fix typo in codegen test

Without the `:`, the `CHECK-NOT` is ignored by FileCheck, making the line not test anything.

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