Fix formatting of `1\n.as(Int32)`

Add overflow detection with preview opt-in

-D compiler_rt is not needed in all platforms actually but trying to keep configuration simpler

Allow :cast primitive to infer unchecked conversion from method ! suffix
Prepare :convert and :u...

Running Int128 specs in linux requires more compiler_rt symbols than __mulodi4

required for 64 bits overflow in 32 bits arch, unless compiler-rt is built and linked.

* include overflow check before truncation

for exact location information of the exception in the caller context

* Discourage the use of Bool#to_unsafe other than for C bindings

Dependent codebases shouldn'...

* Update ISSUE_TEMPLATE to include forum

Also reorders the content, putting the sections abou...

fix `undefined fun 'mkstemps' for LibC`

Class: let `to_s` be independent of the `name` method

Add Crystal::Codegen::Target and consolidate triple handling

Give proper error when trying to instantiate Module

Overflow prepare compiler

Compiler: error if defining initialize inside enum

This reverts commit 92f1cc2fc9c23671f5496491ab5092ad9b6bbfd2.

Otherwise OverflowError and raise method will need to be defined

If the last value was 1 << 31 an overflow would be thrown.
This is not changing the current beha...

Overflow prepare stdlib

Otherwise backtraces were not shown on failures

Removing any of these prevent grisu3_specs to pass with overflow semantics

Add unchecked number ops

This is useful for socket activation, sandboxes, etc.

* Expose LibCrypt PKCS5_PBKDF2_HMAC

* Skipping OpenSSL::Algorithm inside the enum converter m...

Add BigDecimal#to_big_i, BigDecimal#to_big_u
Note: BigRational does not have to_i / to_u methods

cast will be used for .as(T) expressions only.