carbon-lang

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David Blaikie 2302272643 Only allocate return storage when the callee has a return parameter (#7886 )

Calls to functions with a `ref` or `val` return form whose type might be
initialized in place (such as a class type) were given temporary return
storage, based only on the return type. Caller pattern matching then
matched that storage against the callee's `ref_return_pattern` or
`value_return_pattern`, which only supports the callee side, and
CHECK-failed. Instead, base the decision on
`call_param_ranges.return_size()`, which is computed once from the same
return pattern when the callee's declaration is built, and assert the
same property in `ConvertCallArgs` before caller pattern matching.

Assisted-By: Claude

2026-10-09 00:19:29 +00:00

empty_struct.carbon

Add Destroy.SubobjectDestroy as a temporary replacement for Destroy.Op (#7773 )

2026-09-24 00:06:28 +00:00

empty_tuple.carbon

Add Destroy.SubobjectDestroy as a temporary replacement for Destroy.Op (#7773 )

2026-09-24 00:06:28 +00:00

form.carbon

Only allocate return storage when the callee has a return parameter (#7886 )

2026-10-09 00:19:29 +00:00

i32.carbon

Classify decorated built-in types as trivially destructible (#7847 )