As announced here: http://lists.llvm.org/pipermail/llvm-dev/2019-April/131786.html Grouped option syntax (POSIX Utility Conventions) does not play well with -long-option A subsequent change will reject -long-option.
Avoid requirement that number of values must be known at assembler time. Fixes PR33586. Reviewers: rnk, peter.smith, echristo, jyknight Subscribers: hiraditya, llvm-commits Differential Revision: https://reviews.llvm.org/D46703 llvm-svn: 332741