[Qemu-devel] [PATCH] cpu-exec(): also reload CPUClass *cc after longjmp return

[Juergen Lock]

Local variable CPUClass *cc needs to be reloaded after return from longjmp
too.  (This fixes the mips-softmmu crash observed on FreeBSD when qemu is
built with clang.)

Signed-off-by: Juergen Lock <n...@jelal.kn-bremen.de>
Found-by: Dimitry Andric <d...@freebsd.org>

--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -681,6 +681,10 @@ int cpu_exec(CPUArchState *env)
              * local variables as longjmp is marked 'noreturn'. */
             cpu = current_cpu;
             env = cpu->env_ptr;
+#if !(defined(CONFIG_USER_ONLY) && \
+      (defined(TARGET_M68K) || defined(TARGET_PPC) || defined(TARGET_S390X)))
+            cc = CPU_GET_CLASS(cpu);
+#endif
         }
     } /* for(;;) */