Merge branch 'llvm18'

Upgrades the LLVM, Clang, and LLD dependencies to LLVM 18.x

Related to #16270

2 files changed, 21 insertions, 23 deletions

diff --git a/lib/std/math/big/int.zig b/lib/std/math/big/int.zig
index 93ad1ccbe2..0a5c3c6ca5 100644
--- a/lib/std/math/big/int.zig
+++ b/lib/std/math/big/int.zig
@@ -340,7 +340,7 @@ pub const Mutable = struct {
         }
 
         const req_limbs = calcTwosCompLimbCount(bit_count);
-        const bit = @as(Log2Limb, @truncate(bit_count - 1));
+        const bit: Log2Limb = @truncate(bit_count - 1);
         const signmask = @as(Limb, 1) << bit; // 0b0..010..0 where 1 is the sign bit.
         const mask = (signmask << 1) -% 1; // 0b0..011..1 where the leftmost 1 is the sign bit.
 
@@ -2186,7 +2186,7 @@ pub const Const = struct {
                     return if (self.positive) @as(T, @intCast(r)) else error.NegativeIntoUnsigned;
                 } else {
                     if (self.positive) {
-                        return @as(T, @intCast(r));
+                        return @intCast(r);
                     } else {
                         if (math.cast(T, r)) |ok| {
                             return -ok;
diff --git a/lib/std/math/big/int_test.zig b/lib/std/math/big/int_test.zig
index 624bdc0b83..f42d73689b 100644
--- a/lib/std/math/big/int_test.zig
+++ b/lib/std/math/big/int_test.zig
@@ -288,31 +288,29 @@ test "string set bad base error" {
 }
 
 test "twos complement limit set" {
-    const test_types = [_]type{
-        u64,
-        i64,
-        u1,
-        i1,
-        u0,
-        i0,
-        u65,
-        i65,
-    };
+    try testTwosComplementLimit(u64);
+    try testTwosComplementLimit(i64);
+    try testTwosComplementLimit(u1);
+    try testTwosComplementLimit(i1);
+    try testTwosComplementLimit(u0);
+    try testTwosComplementLimit(i0);
+    try testTwosComplementLimit(u65);
+    try testTwosComplementLimit(i65);
+}
 
-    inline for (test_types) |T| {
-        const int_info = @typeInfo(T).Int;
+fn testTwosComplementLimit(comptime T: type) !void {
+    const int_info = @typeInfo(T).Int;
 
-        var a = try Managed.init(testing.allocator);
-        defer a.deinit();
+    var a = try Managed.init(testing.allocator);
+    defer a.deinit();
 
-        try a.setTwosCompIntLimit(.max, int_info.signedness, int_info.bits);
-        const max: T = maxInt(T);
-        try testing.expect(max == try a.to(T));
+    try a.setTwosCompIntLimit(.max, int_info.signedness, int_info.bits);
+    const max: T = maxInt(T);
+    try testing.expect(max == try a.to(T));
 
-        try a.setTwosCompIntLimit(.min, int_info.signedness, int_info.bits);
-        const min: T = minInt(T);
-        try testing.expect(min == try a.to(T));
-    }
+    try a.setTwosCompIntLimit(.min, int_info.signedness, int_info.bits);
+    const min: T = minInt(T);
+    try testing.expect(min == try a.to(T));
 }
 
 test "string to" {