[13] RFR (XS): 8191998: C2: inlining through MH linkers drops speculative part of argument types

[Tobias Hartmann]

Hi Vladimir,

looks good.

Best regards,
Tobias

On 25.01.19 02:34, Vladimir Ivanov wrote:
> http://cr.openjdk.java.net/~vlivanov/8191998/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8191998
> 
> CallGenerator::for_method_handle_inline() casts MH linker (MH::linkTo*) arguments before attempting
> inlining. If any argument has a speculative type attached, it is lost and can't be used later.
> 
> The patch preserves speculative part while sharpening the type (if needed) based on static
> information from the MemberName instance.
> 
> Testing: hs-precheckin-comp, hs-tier1, hs-tier2.
> 
> Best regards,
> Vladimir Ivanov