Fix issue 11182 - dmd crashes on compiling regex
fix Issue 11220 - XXX__lambda2 cannot access frame of function XXX
fix Issue 11223 - inline ice with tuple assignment and if/else

Superseded fix of 36a44cbcea9fbb18b221f77e00f2dca77f21bc88
Merge pull request #2653 from 9rnsr/fix11223

[REG2.064a] Issue 11223 - inline ice with tuple assignment and if/else
Merge pull request #2652 from 9rnsr/fix11220

[REG2.060] Issue 11220 - XXX__lambda2 cannot access frame of function XXX
Merge pull request #2635 from elvisxzhou/bug11182

Fix bug 11182 - dmd crashes on compiling regex
fix Issue 11233 - DMD HEAD very slow with large static array struct field
Merge pull request #2659 from 9rnsr/fix11233

[REG2.064a] Issue 11233 - DMD HEAD very slow with large static array struct field