[lld] [LLD] Implement --enable-non-contiguous-regions (PR #90007)

[Daniel Thornburgh via llvm-commits]

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@@ -0,0 +1,279 @@
+# REQUIRES: x86
+
+# RUN: split-file %s %t
+# RUN: llvm-mc -n -filetype=obj -triple=x86_64 %t/spill.s -o %t/spill.o
+
+## An input section must spill to a later match if the region of its first match
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mysterymath wrote:

Done; this is terser than I was able to come up with, which I appreciate. 

https://github.com/llvm/llvm-project/pull/90007