[PATCH] DW_OP_const* is invalid as a location

[David Blaikie]

Looks good, apart from the minor comment improvement.

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Comment at: test/DebugInfo/incorrect-variable-debugloc1.ll:6
@@ +5,3 @@
+
+; This is a test for BZ #21176.
+; DW_OP_const <const> doesn't describe a constant value, but a value at a constant address. 
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Usually we write this as "PR21176" (rather than "BZ #21176").

http://reviews.llvm.org/D6568