fix Issue 12009 - local import and "unable to resolve forward reference" error

`Module::semantic2` could be invoked from local imports, even when some
local symbol semantics are not yet completed.
fix Issue 11885 - ICE(s2ir.c 359) with continuing a labeled ByLine (range struct w/ dtor) loop
fix Issue 10169 - duplicate error message: member is not accessible
Merge pull request #3446 from 9rnsr/fix11885

Issue 11885 - ICE(s2ir.c 359) with continuing a labeled ByLine (range struct w/ dtor) loop
Merge pull request #3418 from 9rnsr/fix12009

Issue 12009 - local import and "unable to resolve forward reference" error
fix Issue 12508 - Codegen bug for interface type covariant return with lambda type inference
Merge pull request #3448 from 9rnsr/fix10169

Issue 10169 - duplicate error message: member is not accessible
Merge pull request #3417 from 9rnsr/fix12508

Issue 12508 - Codegen bug for interface type covariant return with lambda type inference
Add posix.mak itself as dep
Add -Wall and -Wextra warnings to posix.make
Add better warnings still
First import toks documented
More docs
Add -query=OFFSET flag
Use query offset
Fixes
Correction
Remove empty line
Fixes
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