Value omitted hash keys ending with ! or ? are being parsed

[koic]

Excepted

SyntaxError occurs when a value omitted hash key ends with ! or ?:

$ ruby -vce '{foo!:}'
ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-darwin22]
-e:1: identifier foo! is not valid to get
-e: compile error (SyntaxError)

$ ruby -vce '{foo?:}'
ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-darwin22]
-e:1: identifier foo? is not valid to get
-e: compile error (SyntaxError)

Actual

It is parsed as valid syntax when using Prism:

$ ruby --parser=prism -vce '{foo!:}'
ruby: warning: The compiler based on the Prism parser is currently experimental and compatibility with the compiler based on parse.y is not yet complete. Please report any issues you find on the `ruby/prism` issue tracker.
ruby 3.3.0 (2023-12-25 revision 5124f9ac75) +PRISM [x86_64-darwin22]
Syntax OK

$ ruby --parser=prism -vce '{foo?:}'
ruby: warning: The compiler based on the Prism parser is currently experimental and compatibility with the compiler based on parse.y is not yet complete. Please report any issues you find on the `ruby/prism` issue tracker.
ruby 3.3.0 (2023-12-25 revision 5124f9ac75) +PRISM [x86_64-darwin22]
Syntax OK

Refer: ruby/spec#1148