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-rw-r--r--tests/run-make/issue-40535/Makefile13
-rw-r--r--tests/run-make/issue-40535/bar.rs3
-rw-r--r--tests/run-make/issue-40535/baz.rs1
-rw-r--r--tests/run-make/issue-40535/foo.rs4
4 files changed, 21 insertions, 0 deletions
diff --git a/tests/run-make/issue-40535/Makefile b/tests/run-make/issue-40535/Makefile
new file mode 100644
index 000000000..155c88252
--- /dev/null
+++ b/tests/run-make/issue-40535/Makefile
@@ -0,0 +1,13 @@
+include ../tools.mk
+
+# The ICE occurred in the following situation:
+# * `foo` declares `extern crate bar, baz`, depends only on `bar` (forgetting `baz` in `Cargo.toml`)
+# * `bar` declares and depends on `extern crate baz`
+# * All crates built in metadata-only mode (`cargo check`)
+all:
+ # cc https://github.com/rust-lang/rust/issues/40623
+ $(RUSTC) baz.rs --emit=metadata
+ $(RUSTC) bar.rs --emit=metadata --extern baz=$(TMPDIR)/libbaz.rmeta
+ $(RUSTC) foo.rs --emit=metadata --extern bar=$(TMPDIR)/libbar.rmeta 2>&1 | \
+ $(CGREP) -v "unexpectedly panicked"
+ # ^ Succeeds if it doesn't find the ICE message
diff --git a/tests/run-make/issue-40535/bar.rs b/tests/run-make/issue-40535/bar.rs
new file mode 100644
index 000000000..b02b28f59
--- /dev/null
+++ b/tests/run-make/issue-40535/bar.rs
@@ -0,0 +1,3 @@
+#![crate_type = "lib"]
+
+extern crate baz;
diff --git a/tests/run-make/issue-40535/baz.rs b/tests/run-make/issue-40535/baz.rs
new file mode 100644
index 000000000..83be6e807
--- /dev/null
+++ b/tests/run-make/issue-40535/baz.rs
@@ -0,0 +1 @@
+#![crate_type = "lib"]
diff --git a/tests/run-make/issue-40535/foo.rs b/tests/run-make/issue-40535/foo.rs
new file mode 100644
index 000000000..270202664
--- /dev/null
+++ b/tests/run-make/issue-40535/foo.rs
@@ -0,0 +1,4 @@
+#![crate_type = "lib"]
+
+extern crate bar;
+extern crate baz;