Merge pull request #4888 from ethereum/disallow_single_statement_vardecl_if_while_for

Disallow single statement var decl in if/while/for without blocks

1 files changed, 11 insertions, 0 deletions

diff --git a/test/libsolidity/syntaxTests/variableDeclaration/while.sol b/test/libsolidity/syntaxTests/variableDeclaration/while.sol
new file mode 100644
index 00000000..2997d80c
--- /dev/null
+++ b/test/libsolidity/syntaxTests/variableDeclaration/while.sol
@@ -0,0 +1,11 @@
+pragma solidity >0.4.24;
+
+contract C
+{
+	function f(uint x) public pure {
+		while (x > 0)
+			uint y;
+	}
+}
+// ----
+// SyntaxError: (92-98): Variable declarations can only be used inside blocks.