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rust fix ICE when hir lowering qualified path expressions without an as #3176

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rust fix ICE when hir lowering qualified path expressions without an as #3176

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Commits on Sep 20, 2024

  1. rust fix ICE when hir lowering qualified path expressions without an as 

    Qualified path expressions usually are <X as Y>::... but the as is optional
this adds the extra checking in hir lowering to not hit that nullptr.

Fixes #3082

gcc/rust/ChangeLog:

	* hir/rust-ast-lower-type.cc (ASTLowerQualifiedPathInType::visit):
	check for valid as segment

gcc/testsuite/ChangeLog:

	* rust/compile/nr2/exclude: nr2 cant handle this
	* rust/compile/issue-3082.rs: New test.

Signed-off-by: Philip Herron <herron.philip@googlemail.com>
    @philberty
    philberty committed Sep 20, 2024
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