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gccrs: Fix nullptr dereference

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When we check if this is concrete the guard checks to ensure the argument
is non null but the check here is wrongly returning early when the check
is non null meaning when it is null and therefore not concrete it will
end up doing a null dereference.

Signed-off-by: Philip Herron <herron.philip@googlemail.com>

gcc/rust/ChangeLog:

	* typecheck/rust-tyty-subst.cc (SubstitutionArg::is_conrete): fix check
This commit is contained in:
Philip Herron
2023-01-31 14:27:49 +00:00
committed by Arthur Cohen
parent 68d671ac72
commit 2a2e6712ba
1 changed files with 2 additions and 2 deletions
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4
gcc/rust/typecheck/rust-tyty-subst.cc
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@@ -213,8 +213,8 @@ SubstitutionArg::is_error () const
bool
SubstitutionArg::is_conrete () const
{
if (argument != nullptr)
return true;
if (argument == nullptr)
return false;
if (argument->get_kind () == TyTy::TypeKind::PARAM)
return false;