[libc-commits] [libc] [libc][docs] add note on gcc overlay release build (PR #89314)

[Michael Jones via libc-commits]

michaelrj-google wrote:

ah, I looked into it and this annotation sets the assembler name for the function, which appears to also make it available to call in C by that name. Based on that, I think following your suggestion makes sense. I'll create a new PR to apply that.

(doc on how the asm annotation works:
https://gcc.gnu.org/onlinedocs/gcc/extensions-to-the-c-language-family/how-to-use-inline-assembly-language-in-c-code.html#assembler-names-for-functions )

https://github.com/llvm/llvm-project/pull/89314