Fix some test annotations

These are necessary for running the rustc test suite with cg_clif

src/test/ui/asm/x86_64/issue-82869.rs

@@ -1,3 +1,4 @@
+// needs-asm-support
 // only-x86_64
 // Make sure rustc doesn't ICE on asm! for a foreign architecture.
 

src/test/ui/asm/x86_64/issue-82869.stderr

@@ -1,17 +1,17 @@
 error: invalid register class `vreg`: unknown register class
-  --> $DIR/issue-82869.rs:10:32
+  --> $DIR/issue-82869.rs:11:32
    |
 LL |     asm!("add {:d}, {:d}, d0", out(vreg) c, in(vreg) a, in("d0") {
    |                                ^^^^^^^^^^^
 
 error: invalid register class `vreg`: unknown register class
-  --> $DIR/issue-82869.rs:10:45
+  --> $DIR/issue-82869.rs:11:45
    |
 LL |     asm!("add {:d}, {:d}, d0", out(vreg) c, in(vreg) a, in("d0") {
    |                                             ^^^^^^^^^^
 
 error: invalid register `d0`: unknown register
-  --> $DIR/issue-82869.rs:10:57
+  --> $DIR/issue-82869.rs:11:57
    |
 LL |       asm!("add {:d}, {:d}, d0", out(vreg) c, in(vreg) a, in("d0") {
    |  _________________________________________________________^

src/test/ui/drop/repeat-drop.rs

@@ -1,4 +1,5 @@
 // run-pass
+// needs-unwind
 // ignore-wasm32-bare no unwinding panic
 // ignore-avr no unwinding panic
 // ignore-nvptx64 no unwinding panic