} STMT_END
#define JMPENV_POP \
- STMT_START { PL_top_env = cur_env.je_prev; } STMT_END
+ STMT_START { \
+ DEBUG_l(Perl_deb(aTHX_ "popping jumplevel was %p, now %p\n", \
+ PL_top_env, cur_env.je_prev)); \
+ PL_top_env = cur_env.je_prev; \
+ } STMT_END
#define JMPENV_JUMP(v) \
STMT_START { \