[PATCH] D139737: [-Wunsafe-buffer-usage] Initiate Fix-it generation for local variable declarations

[Ziqing Luo via Phabricator via cfe-commits]

ziqingluo-90 updated this revision to Diff 495250.
ziqingluo-90 added a comment.

Fixed a bug in manipulating source locations:

Using `SourceLocation::getLocWithOffset` to get a new source location `L` with a relative offset is convenient. But it requires extra care to make sure that `L` has the same file ID as the location where `L` is originated.  Otherwise, `L` may be associated with a wrong file ID (or malloc ID).  Feeding such an `L` to a `Lexer` could cause failures.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D139737/new/

https://reviews.llvm.org/D139737

Files:
  clang/include/clang/Analysis/Analyses/UnsafeBufferUsage.h
  clang/include/clang/Analysis/Analyses/UnsafeBufferUsageGadgets.def
  clang/include/clang/Basic/DiagnosticSemaKinds.td
  clang/lib/Analysis/UnsafeBufferUsage.cpp
  clang/lib/Sema/AnalysisBasedWarnings.cpp
  clang/test/SemaCXX/warn-unsafe-buffer-usage-fixits-local-var-span.cpp
  clang/test/SemaCXX/warn-unsafe-buffer-usage.cpp

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