std: avoid field/decl name conflicts

Most of these changes seem like improvements. The PDB thing had a TODO
saying it used to crash; I anticipate it works now, we'll see what CI
does.

The `std.os.uefi` field renames are a notable breaking change.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/std/meta.zig b/lib/std/meta.zig
index 3d3bfca1f9..e7ea5b5f0e 100644
--- a/lib/std/meta.zig
+++ b/lib/std/meta.zig
@@ -294,7 +294,7 @@ test declarations {
         pub fn a() void {}
     };
     const U1 = union {
-        a: u8,
+        b: u8,
 
         pub fn a() void {}
     };
@@ -334,7 +334,7 @@ test declarationInfo {
         pub fn a() void {}
     };
     const U1 = union {
-        a: u8,
+        b: u8,
 
         pub fn a() void {}
     };