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_builtin_macros/src/asm.rs
+++ b/compiler/rustc_builtin_macros/src/asm.rs
@@ -420,6 +420,8 @@ fn parse_options<'a>(
            try_set_option(p, args, sym::att_syntax, ast::InlineAsmOptions::ATT_SYNTAX);
        } else if p.eat_keyword(kw::Raw) {
            try_set_option(p, args, kw::Raw, ast::InlineAsmOptions::RAW);
+        } else if p.eat_keyword(sym::may_unwind) {
+            try_set_option(p, args, kw::Raw, ast::InlineAsmOptions::MAY_UNWIND);
        } else {
            return p.unexpected();
        }