3 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/modules/noheaderguard-1_a.H b/gcc/testsuite/g++.dg/modules/noheaderguard-1_a.H
new file mode 100644
index 00000000000..6d552bf9cc9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/modules/noheaderguard-1_a.H
@@ -0,0 +1,5 @@
+// { dg-additional-options -fmodule-header }
+
+#ifndef OUTER
+#define OUTER
+#endif
diff --git a/gcc/testsuite/g++.dg/modules/noheaderguard-1_b.C b/gcc/testsuite/g++.dg/modules/noheaderguard-1_b.C
new file mode 100644
index 00000000000..d5de8b2362f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/modules/noheaderguard-1_b.C
@@ -0,0 +1,7 @@
+// { dg-do preprocess }
+// { dg-additional-options {-fmodules-ts -fno-header-guard-opt} }
+
+#include "noheaderguard-1_a.H"
+#include "noheaderguard-1_a.H"
+
+// { dg-final { scan-file noheaderguard-1_b.i {# [0-9]* "[^\n]*noheaderguard-1_b.C"\n\n*import  "[^\n]*noheaderguard-1_a.H" \[\[__translated\]\];\nimport  "[^\n]*noheaderguard-1_a.H" \[\[__translated\]\];\n} } }
diff --git a/gcc/testsuite/g++.dg/modules/noheaderguard-1_c.C b/gcc/testsuite/g++.dg/modules/noheaderguard-1_c.C
new file mode 100644
index 00000000000..b4f0442769e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/modules/noheaderguard-1_c.C
@@ -0,0 +1,7 @@
+// { dg-do preprocess }
+// { dg-additional-options {-fmodules-ts -fno-header-guard-opt} }
+
+import "noheaderguard-1_a.H";
+#include "noheaderguard-1_a.H"
+
+// { dg-final { scan-file noheaderguard-1_c.i {# [0-9]* "[^\n]*noheaderguard-1_c.C"\n\n*import  "[^\n]*noheaderguard-1_a.H";\nimport  "[^\n]*noheaderguard-1_a.H" \[\[__translated\]\];\n} } }