diff --git a/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp b/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
--- a/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
+++ b/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
@@ -1103,6 +1103,10 @@
   SymbolRef RootSym = cast<SymbolCast>(SE)->getOperand();
   QualType RT = RootSym->getType().getCanonicalType();
 
+  // FIXME support simplification from non-integers.
+  if (!RT->isIntegralOrEnumerationType())
+    return makeNonLoc(SE, T, CastTy);
+
   BasicValueFactory &BVF = getBasicValueFactory();
   APSIntType CTy = BVF.getAPSIntType(CastTy);
   APSIntType TTy = BVF.getAPSIntType(T);
diff --git a/clang/test/Analysis/produce-symbolcast_x86.cpp b/clang/test/Analysis/produce-symbolcast_x86.cpp
--- a/clang/test/Analysis/produce-symbolcast_x86.cpp
+++ b/clang/test/Analysis/produce-symbolcast_x86.cpp
@@ -11,6 +11,15 @@
 template <typename T>
 void clang_analyzer_dump(T);
 
+void test_double(int n) {
+  double D = n / 30;
+  clang_analyzer_dump(D); // expected-warning{{(double) ((reg_$0<int n>) / 30)}}
+  char C = D;
+  clang_analyzer_dump(C); // expected-warning{{(char) ((double) ((reg_$0<int n>) / 30))}}
+  int I = C; // assertion should not fail here!
+  clang_analyzer_dump(I); // expected-warning{{(int) ((char) ((double) ((reg_$0<int n>) / 30)))}}
+}
+
 void test_schar(schar x) {
   clang_analyzer_dump(x); // expected-warning{{reg_$0<schar x>}}