Add initial AST and MIR support for unwinding from inline assembly

2021-08-30 01:23:33 +01:00
parent 532d2b14c0
commit 940b2eabad
39 changed files with 355 additions and 212 deletions
--- a/compiler/rustc_ast/src/ast.rs
+++ b/compiler/rustc_ast/src/ast.rs
@@ -1981,7 +1981,7 @@ pub enum InlineAsmRegOrRegClass {

 bitflags::bitflags! {
    #[derive(Encodable, Decodable, HashStable_Generic)]
-    pub struct InlineAsmOptions: u8 {
+    pub struct InlineAsmOptions: u16 {
        const PURE = 1 << 0;
        const NOMEM = 1 << 1;
        const READONLY = 1 << 2;
@@ -1990,6 +1990,7 @@ bitflags::bitflags! {
        const NOSTACK = 1 << 5;
        const ATT_SYNTAX = 1 << 6;
        const RAW = 1 << 7;
+        const MAY_UNWIND = 1 << 8;
    }
 }