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fixes #23982; codegen regression passing pointer expressions to inline iterators (#23986)

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fixes #23982
This commit is contained in:
ringabout
2024-08-20 19:09:06 +08:00
committed by GitHub
parent 26107e931c
commit 43274bfb92
2 changed files with 15 additions and 2 deletions
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6
compiler/transf.nim
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@@ -632,9 +632,11 @@ proc putArgInto(arg: PNode, formal: PType): TPutArgInto =
case arg.kind
of nkEmpty..nkNilLit:
result = paDirectMapping
of nkDotExpr, nkDerefExpr, nkHiddenDeref, nkAddr, nkHiddenAddr:
of nkDotExpr, nkDerefExpr, nkHiddenDeref:
result = putArgInto(arg[0], formal)
#if result == paViaIndirection: result = paFastAsgn
of nkAddr, nkHiddenAddr:
result = putArgInto(arg[0], formal)
if result == paViaIndirection: result = paFastAsgn
of nkCurly, nkBracket:
for i in 0..<arg.len:
if putArgInto(arg[i], formal) != paDirectMapping:

11
tests/arc/titeration_doesnt_copy.nim
View File

@@ -54,3 +54,14 @@ proc toBinString*(data: openArray[uint8], col: int): string =
doAssert @[0b0000_1111'u8, 0b1010_1010].toBinString(8) == "0000111110101010"
doAssert @[0b1000_0000'u8, 0b0000_0000].toBinString(1) == "10"
block: # bug #23982
iterator `..`(a, b: ptr int16): ptr int16 = discard
var a: seq[int16] #; let p = a[0].addr
var b: seq[ptr int16]
try:
for x in a[0].addr .. b[1]: # `p .. b[1]` works
discard
except IndexDefect:
discard