Only support a address built-in/keyword in the Yul path

crates/solidity/inputs/language/src/definition.rs

@@ -4353,7 +4353,8 @@ codegen_language_macros::compile!(Language(
                             variants = [
                                 EnumVariant(reference = YulIdentifier),
                                 EnumVariant(
-                                    reference = YulBuiltInFunction,
+                                    // Upstream grammar accepts built-ins but only `address` is valid:
+                                    reference = YulAddressKeyword,
                                     enabled = From("0.8.10")
                                 )
                             ]

crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_add/generated/0.8.10-failure.yml

@@ -0,0 +1,17 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ add := 0                                                                         │ 0..8
+
+Errors: # 1 total
+  - >
+    Error: Expected YulAddressKeyword or YulIdentifier.
+       ╭─[crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_add/input.sol:1:1]
+       │
+     1 │ add := 0
+       │ ────┬────  
+       │     ╰────── Error occurred here.
+    ───╯
+
+Tree:
+  - (SKIPPED): "add := 0\n" # (0..9)

crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_addmod/generated/0.8.10-failure.yml

@@ -0,0 +1,17 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ addmod := 0                                                                      │ 0..11
+
+Errors: # 1 total
+  - >
+    Error: Expected YulAddressKeyword or YulIdentifier.
+       ╭─[crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_addmod/input.sol:1:1]
+       │
+     1 │ addmod := 0
+       │ ──────┬─────  
+       │       ╰─────── Error occurred here.
+    ───╯
+
+Tree:
+  - (SKIPPED): "addmod := 0\n" # (0..12)

crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_address/generated/0.8.10-success.yml

@@ -9,7 +9,7 @@ Tree:
   - (YulAssignmentStatement): # "address := 0\n" (0..13)
       - (names꞉ YulPaths): # "address" (0..7)
           - (item꞉ YulPath): # "address" (0..7)
-              - (item꞉ YulPathComponent) ► (variant꞉ YulBuiltInFunction) ► (variant꞉ YulAddressKeyword): "address" # (0..7)
+              - (item꞉ YulPathComponent) ► (variant꞉ YulAddressKeyword): "address" # (0..7)
       - (assignment꞉ YulAssignmentOperator): # " :=" (7..10)
           - (leading_trivia꞉ Whitespace): " " # (7..8)
           - (variant꞉ ColonEqual): ":=" # (8..10)

crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_and/generated/0.8.10-failure.yml

@@ -0,0 +1,17 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ and := 0                                                                         │ 0..8
+
+Errors: # 1 total
+  - >
+    Error: Expected YulAddressKeyword or YulIdentifier.
+       ╭─[crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_and/input.sol:1:1]
+       │
+     1 │ and := 0
+       │ ────┬────  
+       │     ╰────── Error occurred here.
+    ───╯
+
+Tree:
+  - (SKIPPED): "and := 0\n" # (0..9)

crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_balance/generated/0.8.10-failure.yml

@@ -0,0 +1,17 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ balance := 0                                                                     │ 0..12
+
+Errors: # 1 total
+  - >
+    Error: Expected YulAddressKeyword or YulIdentifier.
+       ╭─[crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_balance/input.sol:1:1]
+       │
+     1 │ balance := 0
+       │ ──────┬──────  
+       │       ╰──────── Error occurred here.
+    ───╯
+
+Tree:
+  - (SKIPPED): "balance := 0\n" # (0..13)

crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_basefee/generated/0.8.10-failure.yml

@@ -0,0 +1,17 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ basefee := 0                                                                     │ 0..12
+
+Errors: # 1 total
+  - >
+    Error: Expected YulAddressKeyword or YulIdentifier.
+       ╭─[crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_basefee/input.sol:1:1]
+       │
+     1 │ basefee := 0
+       │ ──────┬──────  
+       │       ╰──────── Error occurred here.
+    ───╯
+
+Tree:
+  - (SKIPPED): "basefee := 0\n" # (0..13)

crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_blockhash/generated/0.8.10-failure.yml

@@ -0,0 +1,17 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ blockhash := 0                                                                   │ 0..14
+
+Errors: # 1 total
+  - >
+    Error: Expected YulAddressKeyword or YulIdentifier.
+       ╭─[crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_blockhash/input.sol:1:1]
+       │
+     1 │ blockhash := 0
+       │ ───────┬───────  
+       │        ╰───────── Error occurred here.
+    ───╯
+
+Tree:
+  - (SKIPPED): "blockhash := 0\n" # (0..15)

crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_byte/generated/0.8.10-failure.yml

@@ -0,0 +1,17 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ byte := 0                                                                        │ 0..9
+
+Errors: # 1 total
+  - >
+    Error: Expected YulAddressKeyword or YulIdentifier.
+       ╭─[crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_byte/input.sol:1:1]
+       │
+     1 │ byte := 0
+       │ ─────┬────  
+       │      ╰────── Error occurred here.
+    ───╯
+
+Tree:
+  - (SKIPPED): "byte := 0\n" # (0..10)

crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_call/generated/0.8.10-failure.yml

@@ -0,0 +1,17 @@
+# This file is generated automatically by infrastructure scripts. Please don't edit by hand.
+
+Source: >
+  1  │ call := 0                                                                        │ 0..9
+
+Errors: # 1 total
+  - >
+    Error: Expected YulAddressKeyword or YulIdentifier.
+       ╭─[crates/solidity/testing/snapshots/cst_output/YulAssignmentStatement/identifier_call/input.sol:1:1]
+       │
+     1 │ call := 0
+       │ ─────┬────  
+       │      ╰────── Error occurred here.
+    ───╯
+
+Tree:
+  - (SKIPPED): "call := 0\n" # (0..10)