1 files changed, 32 insertions, 0 deletions
diff --git a/test/Modules/serialized-diags.m b/test/Modules/serialized-diags.m
new file mode 100644
index 0000000000..18bce06047
--- /dev/null
+++ b/test/Modules/serialized-diags.m
@@ -0,0 +1,32 @@
+@import HasWarnings;
+
+#ifdef WITH_ERRORS
+@import HasErrors;
+#endif
+
+float float_val;
+double *double_ptr = &float_val;
+
+// RUN: rm -rf %t %t.diag %t.out
+// RUN: %clang -fmodules -fmodules-cache-path=%t/ModuleCache -I %S/Inputs/ModuleDiags -fsyntax-only %s --serialize-diagnostics %t.diag > /dev/null 2>&1
+// RUN: c-index-test -read-diagnostics %t.diag > %t.out 2>&1
+// RUN: FileCheck --input-file=%t.out %s
+
+// CHECK: has_warnings.h:3:8: warning: incompatible pointer types initializing 'float *'
+// CHECK: serialized-diags.m:1:9: note: while building module 'HasWarnings' imported from
+// CHECK: serialized-diags.m:8:9: warning: incompatible pointer types initializing 'double *'
+// CHECK: Number of diagnostics: 2
+
+// RUN: rm -rf %t %t.diag_errors %t.out_errors
+// RUN: not %clang -fmodules -fmodules-cache-path=%t/ModuleCache -I %S/Inputs/ModuleDiags -fsyntax-only -DWITH_ERRORS %s --serialize-diagnostics %t.diag_errors > /dev/null 2>&1
+// RUN: c-index-test -read-diagnostics %t.diag_errors > %t.out_errors 2>&1
+// RUN: FileCheck -check-prefix=CHECK-WITH-ERRORS --input-file=%t.out_errors %s
+
+// CHECK-WITH-ERRORS: has_warnings.h:3:8: warning: incompatible pointer types initializing 'float *'
+// CHECK-WITH-ERRORS: serialized-diags.m:1:9: note: while building module 'HasWarnings'
+// CHECK-WITH-ERRORS: has_errors.h:2:13: error: redefinition of 'foo'
+// CHECK-WITH-ERRORS: serialized-diags.m:4:9: note: while building module 'HasErrors'
+// CHECK-WITH-ERRORS: has_errors.h:1:13: note: previous definition is here
+// CHECK-WITH-ERRORS: serialized-diags.m:4:9: fatal: could not build module 'HasErrors'
+// CHECK-WITH-ERRORS: Number of diagnostics: 3
+