[PATCH] D56950: [docs] Prevent O0 optnone for opt input

[Shoaib Meenai via Phabricator via llvm-commits]

smeenai marked an inline comment as done.
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Comment at: llvm/docs/HowToSubmitABug.rst:87
 If you find that a bug crashes in the optimizer, compile your test-case to a
-``.bc`` file by passing "``-emit-llvm -O0 -c -o foo.bc``".
+``.bc`` file by passing "``-emit-llvm -O0 -Xclang -disable-O0-optnone -c -o foo.bc``".
 Then run:
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This is definitely over 80 columns, but I'm not sure if we're strict about that in the documentation, and what the best way to split it would be.

Also, are there any preferences for `-O0 -Xclang -disable-O0-optnone` vs. `-O1 -Xclang -disable-llvm-passes` vs. `-O1 -Xclang -disable-llvm-optzns`?


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