bors a8f6e614f8 Auto merge of #89652 - rcvalle:rust-cfi, r=nagisa ... Add LLVM CFI support to the Rust compiler This PR adds LLVM Control Flow Integrity (CFI) support to the Rust compiler. It initially provides forward-edge control flow protection for Rust-compiled code only by aggregating function pointers in groups identified by their number of arguments. Forward-edge control flow protection for C or C++ and Rust -compiled code "mixed binaries" (i.e., for when C or C++ and Rust -compiled code share the same virtual address space) will be provided in later work as part of this project by defining and using compatible type identifiers (see Type metadata in the design document in the tracking issue #89653). LLVM CFI can be enabled with -Zsanitizer=cfi and requires LTO (i.e., -Clto). Thank you, `@eddyb` and `@pcc,` for all the help!		2021-10-27 09:19:42 +00:00
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abi	Fix issue 90038	2021-10-19 06:43:33 +01:00
asm	Rollup merge of #88350 - programmerjake:add-ppc-cr-xer-clobbers, r=Amanieu	2021-09-01 09:23:26 +02:00
spec	Auto merge of #89652 - rcvalle:rust-cfi, r=nagisa	2021-10-27 09:19:42 +00:00
lib.rs	Remove various unused feature gates	2021-10-02 19:09:18 +02:00
tests.rs	Emit warnings for unused fields in custom targets.	2021-06-17 21:48:02 +02:00