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-rw-r--r--test/libsolidity/syntaxTests/parsing/external_function.sol5
1 files changed, 5 insertions, 0 deletions
diff --git a/test/libsolidity/syntaxTests/parsing/external_function.sol b/test/libsolidity/syntaxTests/parsing/external_function.sol
new file mode 100644
index 00000000..3aa3ceec
--- /dev/null
+++ b/test/libsolidity/syntaxTests/parsing/external_function.sol
@@ -0,0 +1,5 @@
+contract c {
+ function x() external {}
+}
+// ----
+// Warning: (17-41): Function state mutability can be restricted to pure