From cfca06d7963fa0909f90483b42a6d7d194d01e08 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 26 Jul 2020 19:36:28 +0000
Subject: Vendor import of llvm-project master 2e10b7a39b9, the last commit
 before the llvmorg-12-init tag, from which release/11.x was branched.

---
 clang/lib/Analysis/ReachableCode.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'clang/lib/Analysis/ReachableCode.cpp')

diff --git a/clang/lib/Analysis/ReachableCode.cpp b/clang/lib/Analysis/ReachableCode.cpp
index 369879ad65f5..221d137dadb8 100644
--- a/clang/lib/Analysis/ReachableCode.cpp
+++ b/clang/lib/Analysis/ReachableCode.cpp
@@ -138,10 +138,10 @@ static bool isDeadReturn(const CFGBlock *B, const Stmt *S) {
 static SourceLocation getTopMostMacro(SourceLocation Loc, SourceManager &SM) {
   assert(Loc.isMacroID());
   SourceLocation Last;
-  while (Loc.isMacroID()) {
+  do {
     Last = Loc;
     Loc = SM.getImmediateMacroCallerLoc(Loc);
-  }
+  } while (Loc.isMacroID());
   return Last;
 }
 
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