Handle incomplete external array constants

This adds a new special case for constants like: ```c extern const char some_static_string[]; ``` so `bindgen` emits a `static` instead of a `static mut` for them.
rust-lang · Oct 16, 2022 · 17dd093 · 17dd093
1 parent 626797b
commit 17dd093
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diff --git a/bindgen-tests/tests/expectations/tests/var-tracing.rs b/bindgen-tests/tests/expectations/tests/var-tracing.rs
diff --git a/bindgen/ir/var.rs b/bindgen/ir/var.rs
@@ -285,7 +285,8 @@ impl ClangSubItemParser for Var {
                 // TODO(emilio): do we have to special-case constant arrays in
                 // some other places?
                 let is_const = ty.is_const() ||
-                    (ty.kind() == CXType_ConstantArray &&
+                    ([CXType_ConstantArray, CXType_IncompleteArray]
+                        .contains(&ty.kind()) &&
                         ty.elem_type()
                             .map_or(false, |element| element.is_const()));