fix target os check

Pointerbender · Pointerbender · commit 9bd4f6b9a779 · 2022-12-08T20:08:18.000+01:00
diff --git a/src/shims/unix/fs.rs b/src/shims/unix/fs.rs
@@ -605,7 +605,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
             // (Technically we do not support *not* setting this flag, but we ignore that.)
             mirror |= o_cloexec;
         }
-        if cfg!(target_os = "linux") {
+        if this.tcx.sess.target.os == "linux" {
             let o_tmpfile = this.eval_libc_i32("O_TMPFILE")?;
             if flag & o_tmpfile != 0 {
                 // if the flag contains `O_TMPFILE` then we return a graceful error

Original file line number	Diff line number	Diff line change
`@@ -605,7 +605,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {`
`605`	`605`	`// (Technically we do not support not setting this flag, but we ignore that.)`
`606`	`606`	`mirror \|= o_cloexec;`
`607`	`607`	`}`
`608`		`- if cfg!(target_os = "linux") {`
	`608`	`+ if this.tcx.sess.target.os == "linux" {`
`609`	`609`	`let o_tmpfile = this.eval_libc_i32("O_TMPFILE")?;`
`610`	`610`	`if flag & o_tmpfile != 0 {`
`611`	`611`	// if the flag contains `O_TMPFILE` then we return a graceful error