Construct MIR error body for global_asm correctly

compiler/rustc_mir_build/src/builder/mod.rs

@@ -612,7 +612,8 @@ fn construct_error(tcx: TyCtxt<'_>, def_id: LocalDefId, guar: ErrorGuaranteed) -
         | DefKind::AssocConst
         | DefKind::AnonConst
         | DefKind::InlineConst
-        | DefKind::Static { .. } => (vec![], tcx.type_of(def_id).instantiate_identity(), None),
+        | DefKind::Static { .. }
+        | DefKind::GlobalAsm => (vec![], tcx.type_of(def_id).instantiate_identity(), None),
         DefKind::Ctor(..) | DefKind::Fn | DefKind::AssocFn => {
             let sig = tcx.liberate_late_bound_regions(
                 def_id.to_def_id(),

tests/ui/asm/global-asm-with-error.rs

@@ -0,0 +1,9 @@
+// Ensure that we don't ICE when constructing the fake MIR body for a global
+// asm when the body has errors. See #137470.
+
+use std::arch::global_asm;
+
+global_asm!("/* {} */", sym a);
+//~^ ERROR cannot find value `a` in this scope
+
+fn main() {}

tests/ui/asm/global-asm-with-error.stderr

@@ -0,0 +1,9 @@
+error[E0425]: cannot find value `a` in this scope
+  --> $DIR/global-asm-with-error.rs:6:29
+   |
+LL | global_asm!("/* {} */", sym a);
+   |                             ^ not found in this scope
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0425`.