Round up allocations to multiples of 32.

test/libsolidity/gasTests/abiv2.sol

@@ -14,9 +14,9 @@ contract C {
 }
 // ----
 // creation:
-//   codeDepositCost: 1174000
+//   codeDepositCost: 1175600
 //   executionCost: 1221
-//   totalCost: 1175221
+//   totalCost: 1176821
 // external:
 //   a(): 1130
 //   b(uint256): infinite

test/libsolidity/gasTests/abiv2_optimised.sol

@@ -17,9 +17,9 @@ contract C {
 // optimize-yul: true
 // ----
 // creation:
-//   codeDepositCost: 587400
+//   codeDepositCost: 588800
 //   executionCost: 619
-//   totalCost: 588019
+//   totalCost: 589419
 // external:
 //   a(): 1029
 //   b(uint256): 2084

test/libsolidity/semanticTests/various/code_access_padding.sol

@@ -15,5 +15,7 @@ contract C {
     }
 }
 
+// ====
+// compileViaYul: also
 // ----
 // diff() -> 0 # This checks that the allocation function pads to multiples of 32 bytes #