diff --git a/compile.c b/compile.c index 3d94cf1bad..6d9d0f4180 100644 --- a/compile.c +++ b/compile.c @@ -7169,6 +7169,18 @@ iseq_compile_each0(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *node, in return COMPILE_NG; } + /* remove tracecoverage instruction if there is no relevant instruction */ + if (IS_TRACE(ret->last) && ((TRACE*) ret->last)->event == RUBY_EVENT_LINE) { + LINK_ELEMENT *insn = ret->last->prev; + if (IS_INSN(insn) && + IS_INSN_ID(insn, tracecoverage) && + FIX2LONG(OPERAND_AT(insn, 0)) == RUBY_EVENT_COVERAGE_LINE + ) { + ELEM_REMOVE(insn); /* remove tracecovearge */ + RARRAY_ASET(ISEQ_LINE_COVERAGE(iseq), line - 1, Qnil); + } + } + debug_node_end(); return COMPILE_OK; }