1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
;; NOTE: Assertions have been generated by update_lit_checks.py --output=fuzz-exec and should not be edited.
;; RUN: wasm-opt %s --vacuum --fuzz-exec -all -q -o /dev/null 2>&1 | filecheck %s
;; Test the effect of vaccum on delegation. The delegate target must not
;; "escape" the current function scope and affect anything external, that is,
;; it must be cleared on function exit.
(module
(tag $tag$0 (param i32))
;; CHECK: [fuzz-exec] calling export-1
;; CHECK-NEXT: [exception thrown: tag$0 0]
(func $export-1 (export "export-1")
(try
(do
(try
(do
(throw $tag$0
(i32.const 0)
)
)
;; A delegation that leads to the caller. This sets the delegate field on
;; this function scope.
(delegate 1)
)
)
(catch_all
(nop)
)
)
)
;; CHECK: [fuzz-exec] calling export-2
;; CHECK-NEXT: [trap unreachable]
(func $export-2 (export "export-2")
(call $inner)
(unreachable)
)
(func $inner
;; This inner function must not notice the delegate field that was set by
;; the call to the previous export (if it does notice it, it would delegate
;; to the caller or something else invalid, and the execution results would
;; differ, causing fuzz-exec to fail).
(try
(do
(throw $tag$0
(i32.const 0)
)
)
(catch_all
(nop)
)
)
)
)
;; CHECK: [fuzz-exec] calling export-1
;; CHECK-NEXT: [exception thrown: tag$0 0]
;; CHECK: [fuzz-exec] calling export-2
;; CHECK-NEXT: [trap unreachable]
;; CHECK-NEXT: [fuzz-exec] comparing export-1
;; CHECK-NEXT: [fuzz-exec] comparing export-2
|
