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Remove unreachable code after zend_error_noreturn calls. #20983

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Remove unreachable code after zend_error_noreturn calls. #20983

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35f1adb
feat: Remove unreachable code after zend_error_noreturn calls.
khaledalam Jan 20, 2026
270c894
feat: remove more of dead code.
khaledalam Jan 20, 2026
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1 change: 0 additions & 1 deletion Zend/zend_alloc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1480,7 +1480,6 @@ static zend_always_inline void *zend_mm_alloc_heap(zend_mm_heap *heap, size_t si
size = ZEND_MM_ALIGNED_SIZE(size) + ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_debug_info));
if (UNEXPECTED(size < real_size)) {
zend_error_noreturn(E_ERROR, "Possible integer overflow in memory allocation (%zu + %zu)", ZEND_MM_ALIGNED_SIZE(real_size), ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_debug_info)));
return NULL;
}
#endif
if (EXPECTED(size <= ZEND_MM_MAX_SMALL_SIZE)) {
Expand Down
5 changes: 0 additions & 5 deletions Zend/zend_compile.c
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Expand Up @@ -2646,7 +2646,6 @@ static void zend_emit_return_type_check(
ZEND_ASSERT(!implicit);
zend_error_noreturn(E_COMPILE_ERROR, "A never-returning %s must not return",
CG(active_class_entry) != NULL ? "method" : "function");
return;
}

if (!expr && !implicit) {
Expand Down Expand Up @@ -7480,14 +7479,12 @@ static zend_type zend_compile_typename_ex(
zend_string *standard_type_str = zend_type_to_string(single_type);
zend_error_noreturn(E_COMPILE_ERROR,
"Type %s cannot be part of an intersection type", ZSTR_VAL(standard_type_str));
zend_string_release_ex(standard_type_str, false);
}
/* An intersection of standard types cannot exist so invalidate it */
if (ZEND_TYPE_IS_ONLY_MASK(single_type)) {
zend_string *standard_type_str = zend_type_to_string(single_type);
zend_error_noreturn(E_COMPILE_ERROR,
"Type %s cannot be part of an intersection type", ZSTR_VAL(standard_type_str));
zend_string_release_ex(standard_type_str, false);
}
/* Check for "self" and "parent" too */
if (
Expand Down Expand Up @@ -7720,7 +7717,6 @@ static void zend_compile_attributes(
if (error != NULL) {
if (delayed_target_validation == NULL) {
zend_error_noreturn(E_COMPILE_ERROR, "%s", ZSTR_VAL(error));
zend_string_efree(error);
} else {
attr->validation_error = error;
}
Expand Down Expand Up @@ -11489,7 +11485,6 @@ static void zend_compile_const_expr_class_name(zend_ast **ast_ptr) /* {{{ */
case ZEND_FETCH_CLASS_STATIC:
zend_error_noreturn(E_COMPILE_ERROR,
"static::class cannot be used for compile-time class name resolution");
return;
EMPTY_SWITCH_DEFAULT_CASE()
}
}
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3 changes: 0 additions & 3 deletions Zend/zend_execute_API.c
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Expand Up @@ -1565,7 +1565,6 @@ static void zend_set_timeout_ex(zend_long seconds, bool reset_signals) /* {{{ */
if (!DeleteTimerQueueTimer(NULL, tq_timer, INVALID_HANDLE_VALUE)) {
tq_timer = NULL;
zend_error_noreturn(E_ERROR, "Could not delete queued timer");
return;
}
tq_timer = NULL;
}
Expand All @@ -1575,7 +1574,6 @@ static void zend_set_timeout_ex(zend_long seconds, bool reset_signals) /* {{{ */
if (!CreateTimerQueueTimer(&tq_timer, NULL, (WAITORTIMERCALLBACK)tq_timer_cb, (VOID*)eg, seconds*1000, 0, WT_EXECUTEONLYONCE)) {
tq_timer = NULL;
zend_error_noreturn(E_ERROR, "Could not queue new timer");
return;
}
#elif defined(ZEND_MAX_EXECUTION_TIMERS)
if (seconds > 0) {
Expand Down Expand Up @@ -1662,7 +1660,6 @@ void zend_unset_timeout(void) /* {{{ */
zend_atomic_bool_store_ex(&EG(timed_out), false);
tq_timer = NULL;
zend_error_noreturn(E_ERROR, "Could not delete queued timer");
return;
}
tq_timer = NULL;
}
Expand Down
3 changes: 0 additions & 3 deletions Zend/zend_inheritance.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2274,7 +2274,6 @@ static void zend_do_implement_interfaces(zend_class_entry *ce, zend_class_entry
zend_get_object_type_uc(ce),
ZSTR_VAL(ce->name),
ZSTR_VAL(iface->name));
return;
}
/* skip duplications */
ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(&iface->constants_table, key, c) {
Expand Down Expand Up @@ -2525,7 +2524,6 @@ static uint32_t zend_check_trait_usage(const zend_class_entry *ce, const zend_cl
{
if (UNEXPECTED((trait->ce_flags & ZEND_ACC_TRAIT) != ZEND_ACC_TRAIT)) {
zend_error_noreturn(E_COMPILE_ERROR, "Class %s is not a trait, Only traits may be used in 'as' and 'insteadof' statements", ZSTR_VAL(trait->name));
return 0;
}

for (uint32_t i = 0; i < ce->num_traits; i++) {
Expand All @@ -2534,7 +2532,6 @@ static uint32_t zend_check_trait_usage(const zend_class_entry *ce, const zend_cl
}
}
zend_error_noreturn(E_COMPILE_ERROR, "Required Trait %s wasn't added to %s", ZSTR_VAL(trait->name), ZSTR_VAL(ce->name));
return 0;
}
/* }}} */

Expand Down
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