Fix PR 5422: handle lvalue results when evaluating 'based' ptrtoints as part of

the -Wconversion check.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86891 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 3 deletions

diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index 5c92b65f82..f6f572feec 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -424,9 +424,15 @@ static bool IsSameIntAfterCast(const APValue &value, unsigned TargetWidth) {
     return true;
   }
 
-  assert(value.isComplexInt());
-  return IsSameIntAfterCast(value.getComplexIntReal(), TargetWidth) &&
-         IsSameIntAfterCast(value.getComplexIntImag(), TargetWidth);
+  if (value.isComplexInt()) {
+    return IsSameIntAfterCast(value.getComplexIntReal(), TargetWidth) &&
+           IsSameIntAfterCast(value.getComplexIntImag(), TargetWidth);
+  }
+
+  // This can happen with lossless casts to intptr_t of "based" lvalues.
+  // Assume it might use arbitrary bits.
+  assert(value.isLValue());
+  return false;
 }