Add JIT-EE method placement guidance to jit.instructions.md

Copilot · jakobbotsch · web-flow · commit 780e9ef8a2e6 · 2026-06-08T13:13:35.000Z
Co-authored-by: jakobbotsch &lt;7887810+jakobbotsch@users.noreply.github.com&gt;
diff --git a/.github/instructions/jit.instructions.md b/.github/instructions/jit.instructions.md
@@ -7,3 +7,4 @@ applyTo: "src/coreclr/jit/**"
 ## Code Review Guidelines
 
 - **Do not routinely request new targeted tests for pure refactors, mechanical cleanups, or other non-behavioral JIT codebase improvements.** JIT changes alter global codegen and are often validated by existing end-to-end suites and differential testing, so additional per-PR regression tests may not be needed for changes that do not affect observable behavior. However, targeted tests are appropriate and should be encouraged for bug fixes, changes with a clear repro, observable behavior changes, and previously untested edge cases that are not already covered by existing tests.
+- **Do not request that new JIT-EE (JIT-VM) interface methods be added at a specific position or in a particular ordering.** New JIT-EE methods can be added anywhere in the interface with any ordering without issues, so do not ask for them to be placed at the end, near similar signatures, or in any other particular location.

Original file line number	Diff line number	Diff line change
`@@ -7,3 +7,4 @@ applyTo: "src/coreclr/jit/**"`
`7`	`7`	`## Code Review Guidelines`
`8`	`8`
`9`	`9`	- Do not routinely request new targeted tests for pure refactors, mechanical cleanups, or other non-behavioral JIT codebase improvements. JIT changes alter global codegen and are often validated by existing end-to-end suites and differential testing, so additional per-PR regression tests may not be needed for changes that do not affect observable behavior. However, targeted tests are appropriate and should be encouraged for bug fixes, changes with a clear repro, observable behavior changes, and previously untested edge cases that are not already covered by existing tests.
	`10`	`+- Do not request that new JIT-EE (JIT-VM) interface methods be added at a specific position or in a particular ordering. New JIT-EE methods can be added anywhere in the interface with any ordering without issues, so do not ask for them to be placed at the end, near similar signatures, or in any other particular location.`