From: Seth Cantrell <seth.cantrell@gmail.com>
Date: Sat, 3 Nov 2012 21:21:14 +0000 (+0000)
Subject: fix bug in SourceColumnMap::startOfPreviousColumn
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d38c708dc19953026f5b3b238bf32099ff93b376;p=platform%2Fupstream%2Fllvm.git

fix bug in SourceColumnMap::startOfPreviousColumn

llvm-svn: 167360
---

diff --git a/clang/lib/Frontend/TextDiagnostic.cpp b/clang/lib/Frontend/TextDiagnostic.cpp
index d622fb3..0eb3d60 100644
--- a/clang/lib/Frontend/TextDiagnostic.cpp
+++ b/clang/lib/Frontend/TextDiagnostic.cpp
@@ -298,7 +298,7 @@ struct SourceColumnMap {
   /// \brief Map from a byte index to the previous byte which starts a column.
   int startOfPreviousColumn(int N) const {
     assert(0 < N && N < static_cast<int>(m_columnToByte.size()));
-    while (byteToColumn(N--) == -1) {}
+    while (byteToColumn(--N) == -1) {}
     return N;
   }
 
diff --git a/clang/test/Misc/wrong-encoding2.c b/clang/test/Misc/wrong-encoding2.c
new file mode 100644
index 0000000..43a0f4e
--- /dev/null
+++ b/clang/test/Misc/wrong-encoding2.c
@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -fsyntax-only -fmessage-length 100 %s 2>&1 | FileCheck -strict-whitespace %s
+// REQUIRES: asserts
+
+int main() {
+    "É#x#p)6Ò)ѽŠ$ûž>U êhÑüÃö|Ÿ থϻgŸY|`?ò;;Æ¿VjÇ\\ù€‡ûݪW9úТ:̊O Eøېy?SKªy¦¹‡Øài&n";
+}
+
+// CHECK-NOT:Assertion