fix Issue 9844 - DMD (-m64) int long initialisation bug
propagate size_t errors
fix Issue 4414 - ICE(cgcs.c) Taking item of static array returned by function
fix Issue 9874 - Function call syntax disuniformity in template constraints
Merge pull request #1858 from WalterBright/fix4414

fix Issue 4414 - ICE(cgcs.c) Taking item of static array returned by function
Fixes Issue 9184 - Document -op better.
Merge pull request #1837 from 9rnsr/fix9874

Issue 9874 - Function call syntax disuniformity in template constraints
Merge pull request #1860 from AndrejMitrovic/Fix9185_2

[trivial] Issue 9184 - Document -op better.
Merge pull request #1856 from WalterBright/size_t_error

propagate size_t errors
Merge pull request #1846 from WalterBright/fix9844

fix Issue 9844 - DMD (-m64) int long initialisation bug