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Remove loop's bottom label. #652

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Remove loop's bottom label. #652

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4 changes: 2 additions & 2 deletions AstSemantics.md
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Expand Up @@ -256,7 +256,7 @@ a value and may appear as children of other expressions.

* `nop`: an empty operator that does not yield a value
* `block`: a fixed-length sequence of expressions with a label at the end
* `loop`: a block with an additional label at the beginning which may be used to form loops
* `loop`: a fixed-length sequence of expressions with a label at the beginning
* `if`: if expression with a list of *then* expressions and a list of *else* expressions
* `br`: branch to a given label in an enclosing construct
* `br_if`: conditionally branch to a given label in an enclosing construct
Expand Down Expand Up @@ -288,7 +288,7 @@ The `nop`, `br`, `br_if`, `br_table`, and `return` constructs do not yield value
Other control constructs may yield values if their subexpressions yield values:

* `block`: yields either the value of the last expression in the block or the result of an inner branch that targeted the label of the block
* `loop`: yields either the value of the last expression in the loop or the result of an inner branch that targeted the end label of the loop
* `loop`: yields the value of the last expression in the loop
* `if`: yields either the value of the last *then* expression or the last *else* expression or the result of an inner branch that targeted the label of one of these.

In all constructs containing block-like sequences of expressions, all expressions but the last must not yield a value.
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