fix Issue 3753 - ICE(eh.c): Related to exception handling and alloca.
fmodl is available on newer FreeBSD versions
fix Issue 11237 - zero initializer emitted to read-only data segment, slow compilation
Merge pull request #2660 from WalterBright/fix11237

fix Issue 11237 - zero initializer emitted to read-only data segment, sl...
fix Issue 11230 - Inexact mangling for template function literal.
fix Issue 11242 - Fails to infer template argument with inout
Merge pull request #2662 from 9rnsr/fix11230

[REG2.064a] Issue 11230 - Inexact mangling for template function literal.
fix Issue 11228 - alias this confuses static array copy
fix Issue 11256 - Error mixing struct with disabled default construction and templated with lambda struct
Fix ICE case 1 in issue 11256
Fix ICE case 2 in issue 11256
Merge pull request #2663 from 9rnsr/fix11242

[REG2.064a] Issue 11242 - Fails to infer template argument with inout
Merge pull request #2664 from 9rnsr/fix11228

[REG2.063] Issue 11228 - alias this confuses static array copy
Merge pull request #2666 from 9rnsr/fix11256

[REG2.063] Issue 11256 - Error mixing struct with disabled default construction and templated with lambda struct
Remove meaningless assert on debug build

Additional fix for issue 11233
fix Issue 11257 - Allow whole implicit conversion if one or more overlapped field could.
fix Issue 9665 - Structure constant members can not be initialized if have opAssign

- Change the first field assignment inside constructor to true initialization.
- Disable multiple initialization of non-mutable field, if it is once initialized.
fix Issue 11246 - [REG 2.063] Struct initialized in constructor is destroyed first
fix Issue 11261 - Can't infer types without explicit slice in foreach
Merge pull request #2665 from 9rnsr/fix9665

Issue 9665 - Structure constant members can not be initialized if have opAssign