sat-arithmetic: fixups zig fmt / astcheck

Author: travisstaloch

lib/std/zig/tokenizer.zig

@@ -1999,9 +1999,9 @@ test "tokenizer - invalid builtin identifiers" {
 }
 
 test "tokenizer - saturating" {
-    try testTokenize("<<", &.{ .angle_bracket_angle_bracket_left });
-    try testTokenize("<<|", &.{ .angle_bracket_angle_bracket_left_pipe });
-    try testTokenize("<<|=", &.{ .angle_bracket_angle_bracket_left_pipe_equal });
+    try testTokenize("<<", &.{.angle_bracket_angle_bracket_left});
+    try testTokenize("<<|", &.{.angle_bracket_angle_bracket_left_pipe});
+    try testTokenize("<<|=", &.{.angle_bracket_angle_bracket_left_pipe_equal});
 }
 
 fn testTokenize(source: [:0]const u8, expected_tokens: []const Token.Tag) !void {

src/AstGen.zig

@@ -2746,7 +2746,7 @@ fn assignShift(
 fn assignShiftSat(
     gz: *GenZir,
     scope: *Scope,
-    infix_node: ast.Node.Index,
+    infix_node: Ast.Node.Index,
     op_inst_tag: Zir.Inst.Tag,
 ) InnerError!void {
     try emitDbgNode(gz, infix_node);

src/codegen/c.zig

@@ -1269,12 +1269,12 @@ fn airSatOp(
     const int_info = inst_ty.intInfo(o.dg.module.getTarget());
     const bits = int_info.bits;
 
-    // if it's an unsigned int with non-arbitrary bit size then we can just add
-    const ok_bits = switch (bits) {
-        8, 16, 32, 64, 128 => true,
-        else => false,
-    };
+    switch (bits) {
+        8, 16, 32, 64, 128 => {},
+        else => return o.dg.fail("TODO: C backend: airSatOp for non power of 2 integers", .{}),
+    }
 
+    // if it's an unsigned int with non-arbitrary bit size then we can just add
     if (bits > 64) {
         return o.dg.fail("TODO: C backend: airSatOp for large integers", .{});
     }