Cover all va_list family of types just aliased by __builtin_va_list, including __isoc_va_list from wasi-libc. This enables proper C interop for variable argument functions on WASI targets.
Close https://github.com/swiftlang/swift/issues/72398
Import simple CPP macro aliases as aliases in Swift. Extend the macro
importer to import the following construct:
```
#define alias aliasee
```
as the following Swift construct:
```
@_transparent @inline(__always)
var alias: type(of: aliasee) {
aliasee
}
```
This improves the QoI for Windows where there is a universal define
(`UNICODE`) which normally is used for translating APIs between ANSI and
Unicode variants, e.g.:
```
#if defined(UNICODE)
#define MessageBox MessageBoxW
#else
#define MessageBox MessageBoxA
#endif
```
Global variables which are non-const also have a setter synthesized:
```
@_transparent @inline(__always)
var alias: type(of: aliasee) {
get { return aliasee }
set { aliasee = newValue }
}
```
The legacy `module.map` spelling of module map files was deprecated by llvm/llvm-project#75142 and clang expects to remove support for them in the future. Switch all tests to use the supported spelling.
Fixes rdar://128431478.
`module.map` as a module map name has been discouraged since 2014, and
Clang will soon warn on its usage. This patch renames all instances of
`module.map` in the Swift tests to `module.modulemap` in preparation
for this change to Clang.
rdar://106123303
Sam Pyankov
Doug Gregor
Mads Odgaard
Yuta Saito
Saleem Abdulrasool
Saleem Abdulrasool
Tony Allevato
Becca Royal-Gordon
Michael Spencer