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promotion.md: fix typo #62

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Dec 1, 2020
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promotion.md: fix typo #62

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2 changes: 1 addition & 1 deletion promotion.md
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Expand Up @@ -14,7 +14,7 @@ There are a few different contexts where promotion is beneficial.
Instead of putting it on the stack, the `3` is allocated in global static memory
and a reference with lifetime `'static` is provided. This is essentially an
automatic transformation turning `&EXPR` into
`{ const _PROMOTED = &EXPR; EXPR}`, but only if `EXPR` qualifies.
`{ const _PROMOTED = &EXPR; _PROMOTED }`, but only if `EXPR` qualifies.

Note that promotion happens on the MIR, not on surface-level syntax. This is
relevant when discussing e.g. handling of panics caused by overflowing
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