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-rw-r--r--gcc/testsuite/gcc.dg/pch/valid-3.hs3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pch/valid-3.hs b/gcc/testsuite/gcc.dg/pch/valid-3.hs
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index 00000000000..2a0af94c9f7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pch/valid-3.hs
@@ -0,0 +1,3 @@
+/* { dg-options "-I. -Winvalid-pch -funit-at-a-time" } */
+
+extern int x;