1 files changed, 31 insertions, 0 deletions
diff --git a/test/Modules/build-fail-notes.m b/test/Modules/build-fail-notes.m
new file mode 100644
index 0000000..8375788
--- /dev/null
+++ b/test/Modules/build-fail-notes.m
@@ -0,0 +1,31 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules-cache-path=%t -fmodules -F %S/Inputs -DgetModuleVersion="epic fail" %s 2>&1 | FileCheck %s
+
+@import DependsOnModule;
+
+// CHECK: While building module 'DependsOnModule' imported from
+// CHECK: While building module 'Module' imported from
+// CHECK: error: expected ';' after top level declarator
+// CHECK: note: expanded from here
+// CHECK: fatal error: could not build module 'Module'
+// CHECK: fatal error: could not build module 'DependsOnModule'
+// CHECK-NOT: error:
+
+// RUN: %clang_cc1 -fmodules-cache-path=%t -fmodules -F %S/Inputs %s -fdiagnostics-show-note-include-stack 2>&1 | FileCheck -check-prefix=CHECK-REDEF %s
+extern int Module;
+
+// CHECK-REDEF: In module 'DependsOnModule' imported from
+// CHECK-REDEF: In module 'Module' imported from
+// CHECK-REDEF: Module.h:15:12: note: previous definition is here
+
+// RUN: not %clang_cc1 -fmodules-cache-path=%t -fmodules -F %S/Inputs -DgetModuleVersion="epic fail" -serialize-diagnostic-file %t/tmp.diag %s 2>&1
+// RUN: c-index-test -read-diagnostics %t/tmp.diag 2>&1 | FileCheck -check-prefix=CHECK-SDIAG %s
+
+// CHECK-SDIAG: Module.h:9:13: error: expected ';' after top level declarator
+// CHECK-SDIAG: build-fail-notes.m:4:9: note: while building module 'DependsOnModule' imported from
+// CHECK-SDIAG: DependsOnModule.h:1:10: note: while building module 'Module' imported from
+// CHECK-SDIAG: note: expanded from here
+// CHECK-SDIAG: warning: umbrella header for module 'Module' does not include header 'NotInModule.h' [-Wincomplete-umbrella]
+// CHECK-SDIAG: DependsOnModule.h:1:10: fatal: could not build module 'Module'
+// CHECK-SDIAG: build-fail-notes.m:4:9: note: while building module 'DependsOnModule' imported from
+