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Update LLVM and switch to std::optional. (#2424)

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LLVM's bazel build has changed a bit, so this updates the tree for that.

LLVM is also moving `llvm::Optional` to match the standard API, but it seemed simpler to just switch to `std::optional`.

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
This commit is contained in:
Chandler Carruth
2022-12-01 09:22:43 -08:00
committed by GitHub
co-authored by Jon Ross-Perkins
parent 16bbdbbdb8
commit 94cf343b05
22 changed files with 85 additions and 70 deletions
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toolchain/semantics/semantics_parse_tree_handler.cpp
+1 -1
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@@ -132,7 +132,7 @@ auto SemanticsParseTreeHandler::Push(ParseTree::Node parse_node) -> void {
<< parse_tree_->node_kind(parse_node) << "\n";
CARBON_CHECK(node_stack_.size() < (1 << 20))
<< "Excessive stack size: likely infinite loop";
node_stack_.push_back({parse_node, llvm::None});
node_stack_.push_back({parse_node, std::nullopt});
}
auto SemanticsParseTreeHandler::Push(ParseTree::Node parse_node,