[PATCH] D117579: Add assert on End iteration distance to Rewriter::getRewrittenText.

[Yitzhak Mandelbaum via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGbd1fac2fafd7: Add assert on End iteration distance to 
Rewriter::getRewrittenText. (authored by ahedberg, committed by ymandel).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D117579/new/

https://reviews.llvm.org/D117579

Files:
  clang/lib/Rewrite/Rewriter.cpp


Index: clang/lib/Rewrite/Rewriter.cpp
===================================================================
--- clang/lib/Rewrite/Rewriter.cpp
+++ clang/lib/Rewrite/Rewriter.cpp
@@ -223,6 +223,7 @@
   RewriteBuffer::iterator Start = RB.begin();
   std::advance(Start, StartOff);
   RewriteBuffer::iterator End = Start;
+  assert(EndOff >= StartOff && "Invalid iteration distance");
   std::advance(End, EndOff-StartOff);
 
   return std::string(Start, End);



Index: clang/lib/Rewrite/Rewriter.cpp
===================================================================
--- clang/lib/Rewrite/Rewriter.cpp
+++ clang/lib/Rewrite/Rewriter.cpp
@@ -223,6 +223,7 @@
   RewriteBuffer::iterator Start = RB.begin();
   std::advance(Start, StartOff);
   RewriteBuffer::iterator End = Start;
+  assert(EndOff >= StartOff && "Invalid iteration distance");
   std::advance(End, EndOff-StartOff);
 
   return std::string(Start, End);

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