Fix hashing for codegenProc (sic) types

Since the name mangling is inhibited we should take the user-supplied
name during the sighash computation.

Fixes #8964

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/ccgbugs/t8964.nim b/tests/ccgbugs/t8964.nim
new file mode 100644
index 000000000..5b41e8bdb
--- /dev/null
+++ b/tests/ccgbugs/t8964.nim
@@ -0,0 +1,10 @@
+discard """
+  targets: "c cpp"
+"""
+
+from json import JsonParsingError
+import marshal
+
+const nothing = ""
+doAssertRaises(JsonParsingError):
+  var bar = marshal.to[int](nothing)