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authorAnthony Ramine <[email protected]>2013-10-23 19:34:57 +0200
committerAnthony Ramine <[email protected]>2014-07-02 00:54:28 +0200
commita8cbf025f6e20a68b6575747200be149c6c09932 (patch)
tree592b3d681ff2773748c6fcd92bc5f6443b485b5d /erts/emulator/beam/atom.h
parentacf19fc9190985f643af06293141a1083f032563 (diff)
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Properly handle SINT_MIN in small_to_big()
As there is no overflow for signed integers, -SINT_MIN is undefined behaviour and the cast to unsigned needs to happen before negation. SINT_MIN denotes the minimum value that can be stored in the Sint type. beam/big.c:1512:6: runtime error: negation of -9223372036854775808 cannot be represented in type 'Sint' (aka 'long'); cast to an unsigned type to negate this value to itself
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