Merge pull request #8183 from ethereum/functionOptionsYulIR

[YulIR] Function call options for Yul IR

test/libsolidity/semanticTests/functionCall/external_call_value.sol

@@ -0,0 +1,17 @@
+pragma solidity >= 0.6.0;
+
+contract C {
+    function g(uint n) external payable returns (uint, uint) {
+        return (msg.value * 1000, n);
+    }
+
+    function f(uint n) public payable returns (uint, uint) {
+        return this.g{value: 10}(n);
+    }
+}
+
+// ====
+// compileViaYul: also
+// ----
+// g(uint256), 1 ether: 4 -> 1000000000000000000000, 4
+// f(uint256), 11 ether: 2 -> 10000, 2