Revert "[clang][IFS][test] Removing driver-test.c. Test is still too brittle."

This reverts commit f37356d6f60ae5db978611621d3a375ed87ec0f0.

diff --git a/clang/test/InterfaceStubs/driver-test.c b/clang/test/InterfaceStubs/driver-test.c
new file mode 100644 (file)
index 0000000..425d872
--- /dev/null
+++ b/clang/test/InterfaceStubs/driver-test.c
@@ -0,0 +1,15 @@
+// REQUIRES: x86-registered-target
+// REQUIRES: !powerpc-registered-target
+// REQUIRES: !system-darwin && !system-windows
+
+// RUN: %clang -o %t1 -target x86_64-unknown-linux-gnu \
+// RUN:   -emit-interface-stubs -emit-merged-ifs %s %S/object.c %S/weak.cpp
+// RUN: cat %t1.ifs | FileCheck %s
+
+// CHECK-DAG: data
+// CHECK-DAG: foo
+// CHECK-DAG: strongFunc
+// CHECK-DAG: weakFunc
+
+int foo(int bar) { return 42 + 1844; }
+int main() { return foo(23); }