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closes #7658 (#15784)

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* fix #7658

* more
This commit is contained in:
flywind 2020-10-30 16:58:55 +08:00 • committed by GitHub
commit 17f08b2939
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2 changed files with 13 additions and 3 deletions
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3
compiler/pragmas.nim
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@ -1110,6 +1110,9 @@ proc singlePragma(c: PContext, sym: PSym, n: PNode, i: var int,
else: else:
sym.typ.kind = tyUncheckedArray sym.typ.kind = tyUncheckedArray
of wUnion: of wUnion:
if c.config.backend == backendJs:
localError(c.config, it.info, "`{.union.}` is not implemented for js backend.")
else:
noVal(c, it) noVal(c, it)
if sym.typ == nil: invalidPragma(c, it) if sym.typ == nil: invalidPragma(c, it)
else: incl(sym.typ.flags, tfUnion) else: incl(sym.typ.flags, tfUnion)

7
tests/js/tunion.nim Normal file
View file

@ -0,0 +1,7 @@
discard """
errormsg: "`{.union.}` is not implemented for js backend."
"""
type Foo {.union.} = object
as_bytes: array[8, int8]
data: int64