Auto merge of #148298 - jieyouxu:revert-cc, r=madsmtm

Revert "Auto merge of #146186 - dpaoliello:cc, r=jieyouxu"

This reverts rust-lang/rust#146186. This will mean regressing whichever `cc` fixes were needed for

> fixes when compiling the Rust compiler for Arm64EC.

It's not clear which `cc` change causes the across-the-board perf regression, I suspect it's a change in how certain compiler flags are handed. But I can immediately tell this is a rabbit hole to investigate, so let's revert for now to return-to-baseline and alleviate time pressure.

Author: bors