Dwarf: rework self-hosted debug info from scratch

This is in preparation for incremental and actually being able to debug
executables built by the x86_64 backend.

1 files changed, 7 insertions, 3 deletions

diff --git a/lib/std/math/big/int.zig b/lib/std/math/big/int.zig
index a7881a8905..f0fd6fca4e 100644
--- a/lib/std/math/big/int.zig
+++ b/lib/std/math/big/int.zig
@@ -2092,6 +2092,12 @@ pub const Const = struct {
         return bits;
     }
 
+    /// Returns the number of bits required to represent the integer in twos-complement form
+    /// with the given signedness.
+    pub fn bitCountTwosCompForSignedness(self: Const, signedness: std.builtin.Signedness) usize {
+        return self.bitCountTwosComp() + @intFromBool(self.positive and signedness == .signed);
+    }
+
     /// @popCount with two's complement semantics.
     ///
     /// This returns the number of 1 bits set when the value would be represented in
@@ -2147,9 +2153,7 @@ pub const Const = struct {
         if (signedness == .unsigned and !self.positive) {
             return false;
         }
-
-        const req_bits = self.bitCountTwosComp() + @intFromBool(self.positive and signedness == .signed);
-        return bit_count >= req_bits;
+        return bit_count >= self.bitCountTwosCompForSignedness(signedness);
     }
 
     /// Returns whether self can fit into an integer of the requested type.