commit 27a9d9b992ca8703b0e4310d7fb3935e1ee2eb10
author River Riddle <riverriddle@google.com> Tue May 21 14:24:48 2019 -0700
committer Mehdi Amini <joker.eph@gmail.com> Sat Jun 01 19:55:13 2019 -0700
tree 1ac4d023898606a9ca466b3882de9f4ab31884e1
parent 74588842ac614b021203a08f27c757f53f36fb25

    Fix a bug in toy LateLowering where a type conversion was using 'cast' instead of 'dyn_cast'.

--

PiperOrigin-RevId: 249325111

examples/toy/Ch5/mlir/LateLowering.cpp

diff --git a/examples/toy/Ch5/mlir/LateLowering.cpp b/examples/toy/Ch5/mlir/LateLowering.cpp
index 845bf7d..7911649 100644
--- a/examples/toy/Ch5/mlir/LateLowering.cpp
+++ b/examples/toy/Ch5/mlir/LateLowering.cpp
@@ -337,7 +337,7 @@
   /// Convert a Toy type, this gets called for block and region arguments, and
   /// attributes.
   Type convertType(Type t) override {
-    if (auto array = t.cast<toy::ToyArrayType>())
+    if (auto array = t.dyn_cast<toy::ToyArrayType>())
       return array.toMemref();
     return t;
   }