diff --git a/test/libsolidity/syntaxTests/inlineAssembly/solidity_keywords.sol b/test/libsolidity/syntaxTests/inlineAssembly/solidity_keywords.sol
new file mode 100644
index 000000000..9b5e570be
--- /dev/null
+++ b/test/libsolidity/syntaxTests/inlineAssembly/solidity_keywords.sol
@@ -0,0 +1,113 @@
+contract C {
+  function f() view public {
+    assembly {
+  // These are keywords of Solidity -- a copy from liblangutil/Token.h.
+  let abstract := 1
+  let anonymous := 1
+  let as := 1
+  let assembly := 1
+  // break is Yul keyword
+  let catch := 1
+  let constant := 1
+  let constructor := 1
+  // continue is Yul keyword
+  let contract := 1
+  let do := 1
+  let else := 1
+  let enum := 1
+  let emit := 1
+  let event := 1
+  let external := 1
+  let fallback := 1
+  // for is a Yul keyword
+  // function is a Yul keyword
+  let hex := 1
+  // if is a Yul keyword
+  let indexed := 1
+  let interface := 1
+  let internal := 1
+  let immutable := 1
+  let import := 1
+  let is := 1
+  let library := 1
+  let mapping := 1
+  let memory := 1
+  let modifier := 1
+  let new := 1
+  let override := 1
+  let payable := 1
+  let public := 1
+  let pragma := 1
+  let private := 1
+  let pure := 1
+  let receive := 1
+  // return is a builtin in EVMDialect
+  return(0, 0)
+  let returns := 1
+  let storage := 1
+  let calldata := 1
+  let struct := 1
+  let throw := 1
+  let try := 1
+  // type shadows the Solidity function
+  let unicode := 1
+  let using := 1
+  let view := 1
+  let virtual := 1
+  let while := 1
+  let wei := 1
+  let gwei := 1
+  let ether := 1
+  let seconds := 1
+  let minutes := 1
+  let hours := 1
+  let days := 1
+  let weeks := 1
+  let years := 1
+  let int := 1
+  let uint := 1
+  let bytes := 1
+  // byte is a builtin in EVMDialect
+  pop(byte(1, 1))
+  let string := 1
+  // address is a builtin in EVMDialect
+  pop(address())
+  let bool := 1
+  let fixed := 1
+  let ufixed := 1
+  let after := 1
+  let alias := 1
+  let apply := 1
+  let auto := 1
+  // case is a Yul keyword
+  let copyof := 1
+  // default is a Yul keyword
+  let define := 1
+  let final := 1
+  let implements := 1
+  let in := 1
+  let inline := 1
+  // let is a Yul keyword
+  let macro := 1
+  let match := 1
+  let mutable := 1
+  let null := 1
+  let of := 1
+  let partial := 1
+  let promise := 1
+  let reference := 1
+  let relocatable := 1
+  let sealed := 1
+  let sizeof := 1
+  let static := 1
+  let supports := 1
+  // switch is a Yul keyword
+  let typedef := 1
+  let typeof := 1
+  let unchecked := 1
+  let var := 1
+    }
+  }
+}
+// ----
+// Warning 5740: (944-2157): Unreachable code.
diff --git a/test/libyul/yulSyntaxTests/solidity_keywords.yul b/test/libyul/yulSyntaxTests/solidity_keywords.yul
new file mode 100644
index 000000000..4868fadad
--- /dev/null
+++ b/test/libyul/yulSyntaxTests/solidity_keywords.yul
@@ -0,0 +1,109 @@
+{
+  // These are keywords of Solidity -- a copy from liblangutil/Token.h.
+  let abstract := 1
+  let anonymous := 1
+  let as := 1
+  let assembly := 1
+  // break is Yul keyword
+  let catch := 1
+  let constant := 1
+  let constructor := 1
+  // continue is Yul keyword
+  let contract := 1
+  let do := 1
+  let else := 1
+  let enum := 1
+  let emit := 1
+  let event := 1
+  let external := 1
+  let fallback := 1
+  // for is a Yul keyword
+  // function is a Yul keyword
+  let hex := 1
+  // if is a Yul keyword
+  let indexed := 1
+  let interface := 1
+  let internal := 1
+  let immutable := 1
+  let import := 1
+  let is := 1
+  let library := 1
+  let mapping := 1
+  let memory := 1
+  let modifier := 1
+  let new := 1
+  let override := 1
+  let payable := 1
+  let public := 1
+  let pragma := 1
+  let private := 1
+  let pure := 1
+  let receive := 1
+  // return is a builtin in EVMDialect
+  return(0, 0)
+  let returns := 1
+  let storage := 1
+  let calldata := 1
+  let struct := 1
+  let throw := 1
+  let try := 1
+  let type := 1
+  let unicode := 1
+  let using := 1
+  let view := 1
+  let virtual := 1
+  let while := 1
+  let wei := 1
+  let gwei := 1
+  let ether := 1
+  let seconds := 1
+  let minutes := 1
+  let hours := 1
+  let days := 1
+  let weeks := 1
+  let years := 1
+  let int := 1
+  let uint := 1
+  let bytes := 1
+  // byte is a builtin in EVMDialect
+  pop(byte(1, 1))
+  let string := 1
+  // address is a builtin in EVMDialect
+  pop(address())
+  let bool := 1
+  let fixed := 1
+  let ufixed := 1
+  let after := 1
+  let alias := 1
+  let apply := 1
+  let auto := 1
+  // case is a Yul keyword
+  let copyof := 1
+  // default is a Yul keyword
+  let define := 1
+  let final := 1
+  let implements := 1
+  let in := 1
+  let inline := 1
+  // let is a Yul keyword
+  let macro := 1
+  let match := 1
+  let mutable := 1
+  let null := 1
+  let of := 1
+  let partial := 1
+  let promise := 1
+  let reference := 1
+  let relocatable := 1
+  let sealed := 1
+  let sizeof := 1
+  let static := 1
+  let supports := 1
+  // switch is a Yul keyword
+  let typedef := 1
+  let typeof := 1
+  let unchecked := 1
+  let var := 1
+}
+// ====
+// dialect: evm