commit 6623584c0ec508110d75572eef092bf98fedf3f4
author Douglas Gregor <dgregor@apple.com> Tue Jun 29 17:12:35 2010 +0000
committer Douglas Gregor <dgregor@apple.com> Tue Jun 29 17:12:35 2010 +0000
tree 8a747f7d0a07ba8d5170cc4f321657327626b5dc
parent 9fde9c424f734e1ef45177999e3a04faad127414

With packed enums, an enumerator's value may be stored in more bits
than the enumeration type itself takes. Fixes PR7477.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107163 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaStmt.cpp

diff --git a/lib/Sema/SemaStmt.cpp b/lib/Sema/SemaStmt.cpp
index 738fc55..8e163ef 100644
--- a/lib/Sema/SemaStmt.cpp
+++ b/lib/Sema/SemaStmt.cpp
@@ -836,6 +836,8 @@
         llvm::APSInt Val = (*EDI)->getInitVal();
         if(Val.getBitWidth() < CondWidth)
           Val.extend(CondWidth);
+        else if (Val.getBitWidth() > CondWidth)
+          Val.trunc(CondWidth);
         Val.setIsSigned(CondIsSigned);
         EnumVals.push_back(std::make_pair(Val, (*EDI)));
       }