[PATCH] Correctly align arguments after a byval struct is passed on the stack

[Renato Golin]

================
Comment at: lib/Target/ARM/ARMISelLowering.cpp:2867
@@ +2866,3 @@
+      // We cannot allocate a zero-byte object for the first variadic argument,
+      // so just make up a size.
+      ArgSize = 4;
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This comment seem to imply anything would do. I'm guessing this has to be at least aligned, but really, 4 is the only reasonable answer here.


http://llvm-reviews.chandlerc.com/D2933