Target: pass and use locals by pointer instead of by value

This struct is larger than 256 bytes and code that copies it
consistently shows up in profiles of the compiler.

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/std/debug/SelfInfo.zig b/lib/std/debug/SelfInfo.zig
index 70f3075de7..a879309870 100644
--- a/lib/std/debug/SelfInfo.zig
+++ b/lib/std/debug/SelfInfo.zig
@@ -1795,10 +1795,10 @@ fn spRegNum(reg_context: Dwarf.abi.RegisterContext) u8 {
 const ip_reg_num = Dwarf.abi.ipRegNum(native_arch).?;
 
 /// Tells whether unwinding for the host is implemented.
-pub const supports_unwinding = supportsUnwinding(builtin.target);
+pub const supports_unwinding = supportsUnwinding(&builtin.target);
 
 comptime {
-    if (supports_unwinding) assert(Dwarf.abi.supportsUnwinding(builtin.target));
+    if (supports_unwinding) assert(Dwarf.abi.supportsUnwinding(&builtin.target));
 }
 
 /// Tells whether unwinding for this target is *implemented* here in the Zig
@@ -1806,7 +1806,7 @@ comptime {
 ///
 /// See also `Dwarf.abi.supportsUnwinding` which tells whether Dwarf supports
 /// unwinding on that target *in theory*.
-pub fn supportsUnwinding(target: std.Target) bool {
+pub fn supportsUnwinding(target: *const std.Target) bool {
     return switch (target.cpu.arch) {
         .x86 => switch (target.os.tag) {
             .linux, .netbsd, .solaris, .illumos => true,