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| -rw-r--r-- | tests/ccgbugs2/tcodegen.nim | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ccgbugs2/tcodegen.nim b/tests/ccgbugs2/tcodegen.nim new file mode 100644 index 000000000..84cd76e2f --- /dev/null +++ b/tests/ccgbugs2/tcodegen.nim @@ -0,0 +1,28 @@ +discard """ + targets: "c cpp" +""" + +# bug #19094 +type + X = object + filler: array[2048, int] + innerAddress: uint + +proc initX(): X = + result.innerAddress = cast[uint](result.addr) + +proc initXInPlace(x: var X) = + x.innerAddress = cast[uint](x.addr) + +block: # NRVO1 + var x = initX() + let innerAddress = x.innerAddress + let outerAddress = cast[uint](x.addr) + doAssert(innerAddress == outerAddress) # [OK] + +block: # NRVO2 + var x: X + initXInPlace(x) + let innerAddress = x.innerAddress + let outerAddress = cast[uint](x.addr) + doAssert(innerAddress == outerAddress) # [OK] |