Fix parser bug on tupplestruct pattern

[jdupak]

Fixes #2645

gcc/rust/ChangeLog:

* parse/rust-parse-impl.h: Add missing token consumption

[jdupak]

New error:

test.rs:1:43: error: failed to resolve TypePath: A in this scope [E0412]
    1 | pub fn struct_tuple(A { 0: a, 1: ref b }: A) -> i32 {
      |                                           ^
test.rs:1:21: error: Cannot find path ‘A’ in this scope [E0433]
    1 | pub fn struct_tuple(A { 0: a, 1: ref b }: A) -> i32 {
      |                     ^
(null):0: confused by earlier errors, bailing out

[jdupak]

@CohenArthur

[jdupak]

check-rust passed locally

[P-E-P]

@jdupak Could you had a test ?

[jdupak]

@P-E-P I am not sure, how should the test look like, since the compilation still fails (because unimplemented) in a later stage.

[P-E-P]

@P-E-P I am not sure, how should the test look like, since the compilation still fails (because unimplemented) in a later stage.

You could specify --frust-compile-until to test only the parsing step am I right ?

[jdupak]

@P-E-P I am not sure, how should the test look like, since the compilation still fails (because unimplemented) in a later stage.

You could specify --frust-compile-until to test only the parsing step am I right ?

Added