[cfe-dev] "Invalid region to erase" on rewriting ObjCMethodDecl

[s0rcy]

Can a FileID identifier point to multiple physical source files? 

After some more digging, I found that after a few rewrites a rewrite region
extends beyond the range of the current RewriteBuffer, resulting in that
error. I printed out debug info for the file used for creating
RewriteBuffers, and the same FileID (1) is used for two different physical
source files - is that expected? How does the buffer get mapped to different
physical files?



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