Repro for an invalid .swiftinterface generated when textually includi…

…ng a C struct in different modules. The newly added test fails.
martinboehme · Jun 17, 2020 · f431f1b · f431f1b
1 parent d45047d
commit f431f1b
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diff --git a/test/Interop/C/modules/Inputs/MainModule.swift b/test/Interop/C/modules/Inputs/MainModule.swift
@@ -0,0 +1,3 @@
+import SubModule
+
+public func funcTakingForeignStruct(_ param: ForeignStruct) {}
diff --git a/test/Interop/C/modules/Inputs/SubModule.swift b/test/Interop/C/modules/Inputs/SubModule.swift
@@ -0,0 +1,2 @@
+import ForeignA
+@_exported import ForeignB
diff --git a/test/Interop/C/modules/Inputs/foreign-a.h b/test/Interop/C/modules/Inputs/foreign-a.h
@@ -0,0 +1 @@
+#include "textual-header.h"
diff --git a/test/Interop/C/modules/Inputs/foreign-b.h b/test/Interop/C/modules/Inputs/foreign-b.h
@@ -0,0 +1 @@
+#include "textual-header.h"
diff --git a/test/Interop/C/modules/Inputs/module.modulemap b/test/Interop/C/modules/Inputs/module.modulemap
@@ -0,0 +1,7 @@
+module ForeignA {
+  header "foreign-a.h"
+}
+
+module ForeignB {
+  header "foreign-b.h"
+}
diff --git a/test/Interop/C/modules/Inputs/textual-header.h b/test/Interop/C/modules/Inputs/textual-header.h
@@ -0,0 +1 @@
+struct ForeignStruct {};
diff --git a/test/Interop/C/modules/repro.swift b/test/Interop/C/modules/repro.swift
@@ -0,0 +1,5 @@
+// RUN: %empty-directory(%t)
+// RUN: mkdir %t/sub_module %t/main_module
+// RUN: %target-swift-frontend -enable-library-evolution -swift-version 5 -emit-module -o %t/sub_module/SubModule.swiftmodule %S/Inputs/SubModule.swift -I %S/Inputs
+// RUN: %target-swift-frontend -enable-library-evolution -swift-version 5 -emit-module -o %t/main_module/MainModule.swiftmodule -emit-module-interface-path %t/main_module/MainModule.swiftinterface -I %t/sub_module %S/Inputs/MainModule.swift -I %S/Inputs
+// RUN: %target-swift-frontend -typecheck -swift-version 5 %t/main_module/MainModule.swiftinterface -I %t/sub_module -I %S/Inputs