commit 2a1c363f38e59a5044fc349aa7e538a50954c244
author Eli Friedman <eli.friedman@gmail.com> Mon Jun 01 05:25:02 2009 +0000
committer Eli Friedman <eli.friedman@gmail.com> Mon Jun 01 05:25:02 2009 +0000
tree a0fb324775573ed4cd50f35464f98ae0ac80b15c
parent 852d63b806c5cbd730c6b9d696e2e27d02546b49

PR4283: Don't truncate multibyte character constants in the 
preprocessor.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72686 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Lex/PPExpressions.cpp

diff --git a/lib/Lex/PPExpressions.cpp b/lib/Lex/PPExpressions.cpp
index 47c3f8d..709e316 100644
--- a/lib/Lex/PPExpressions.cpp
+++ b/lib/Lex/PPExpressions.cpp
@@ -221,8 +221,12 @@
 
     // Character literals are always int or wchar_t, expand to intmax_t.
     TargetInfo &TI = PP.getTargetInfo();
-    unsigned NumBits = TI.getCharWidth(Literal.isWide());
-    
+    unsigned NumBits;
+    if (Literal.isMultiChar())
+      NumBits = TI.getIntWidth();
+    else
+      NumBits = TI.getCharWidth(Literal.isWide());
+
     // Set the width.
     llvm::APSInt Val(NumBits);
     // Set the value.