Introduce a module map for (some of) the compiler-supplied
headers. The remaining headers require more sophisticated
requirements; they'll be handled separately. Part of
<rdar://problem/10710060>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149206 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Modules/compiler_builtins.m b/test/Modules/compiler_builtins.m
new file mode 100644
index 0000000..3cf2414
--- /dev/null
+++ b/test/Modules/compiler_builtins.m
@@ -0,0 +1,12 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t -verify %s
+
+@import __compiler_builtins.float_constants;
+
+float getFltMax() { return FLT_MAX; }
+
+@import __compiler_builtins.limits;
+
+char getCharMax() { return CHAR_MAX; }
+
+size_t size; // expected-error{{unknown type name 'size_t'}}