[TypeSize] Fix module builds (cassert)

TypeSize.h uses `assert` statements without including
the <cassert> header first which leads to failures
in modular builds.

llvm-svn: 374138

diff --git a/llvm/include/llvm/Support/TypeSize.h b/llvm/include/llvm/Support/TypeSize.h
index d93919a..ea08358 100644 (file)
--- a/llvm/include/llvm/Support/TypeSize.h
+++ b/llvm/include/llvm/Support/TypeSize.h
@@ -15,6 +15,7 @@
 #ifndef LLVM_SUPPORT_TYPESIZE_H
 #define LLVM_SUPPORT_TYPESIZE_H
 
+#include <cassert>
 #include <tuple>
 
 namespace llvm {