Fix explicit constructor calls and Remove multi-line comments (dotnet/coreclr#23162)

Fix explicit constructor calls and Remove multi-line comments (dotnet/coreclr#23162)

* fix implicit constructor call

* extern c

format patch

* muti-line

* Remove direct constructor call

* Conversion

* Need paranthesis

* Return value on resize

* declspec(Thread)

* Ignore warnings for GCC

* Formatting issues

* Move cast to constant

Commit migrated from https://github.com/dotnet/coreclr/commit/6100a9faf1c29b06aed3ad5bef00ce905880309d