Working? workardound for infinite loop

src/compiler/backend/arch/aarch64/asm_backend.rs

@@ -2053,7 +2053,7 @@ impl CodeGenerator for ASMCodeGen {
     fn emit_frame_shrink(&mut self) {
         trace!("emit: \tframe shrink");
 
-        let asm = format!("ADD SP,SP,#{}", FRAME_SIZE_PLACEHOLDER.clone());
+        let asm = format!("ADD SP,SP,#{}; MOV SP, X29", FRAME_SIZE_PLACEHOLDER.clone());
 
         let line = self.line();
         self.cur_mut().add_frame_size_patchpoint(ASMLocation::new(line, 11, FRAME_SIZE_PLACEHOLDER_LEN, 0));

src/compiler/backend/arch/aarch64/inst_sel.rs

@@ -3739,13 +3739,13 @@ impl <'a> InstructionSelection {
         }
 
         // Pop the frame record
-        //self.backend.emit_frame_shrink();
+        self.backend.emit_frame_shrink();
         //self.backend.emit_mov(&SP, &FP);
-        //self.backend.emit_pop_pair(&FP, &LR, &SP);
+        self.backend.emit_pop_pair(&FP, &LR, &SP);
 
         // Note: the stack pointer should now be what it was when the function was called
-        //self.backend.emit_ret(&LR); // return to the Link Register
-        self.backend.emit_fake_ret();
+        self.backend.emit_ret(&LR); // return to the Link Register
+        //self.backend.emit_fake_ret();
         self.finish_block();
     }