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| author | Damian Gryski <[email protected]> | 2021-12-07 22:31:07 -0800 |
|---|---|---|
| committer | Ron Evans <[email protected]> | 2021-12-09 18:23:49 +0100 |
| commit | d6c892fe7b0c28d3b994323bdb690257d16b332e (patch) | |
| tree | ebe2ce3e4532ce7d0c8fee7089cf2534d645626c /testdata/map.go | |
| parent | cfe6b9765f90bd770aa97844bf63ca470e6237d3 (diff) | |
| download | tinygo-d6c892fe7b0c28d3b994323bdb690257d16b332e.tar.gz tinygo-d6c892fe7b0c28d3b994323bdb690257d16b332e.zip | |
src/runtime: fix nil map dereference
Operations on nil maps are accepted and shouldn't
panic. The base hashmapGet/hashmapDelete handled
nil-maps correctly, but the hashmapBinary versions
could segfault accessing the nil map while trying
to hash the key.
Fixes #2341
Diffstat (limited to 'testdata/map.go')
| -rw-r--r-- | testdata/map.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/testdata/map.go b/testdata/map.go index 4ca456eab..7d9ee6ae8 100644 --- a/testdata/map.go +++ b/testdata/map.go @@ -57,6 +57,10 @@ func main() { println(k) // unreachable } + var nilbinmap map[uint16]int + delete(nilbinmap, 4) + println("nilbinmap:", nilbinmap[5]) + arrKey := ArrayKey([4]byte{4, 3, 2, 1}) println(testMapArrayKey[arrKey]) testMapArrayKey[arrKey] = 5555 |