Add test

src/test/run-make-fulldeps/rustdoc-target-spec-json-path/Makefile

@@ -0,0 +1,9 @@
+include ../tools.mk
+
+# Test that rustdoc will properly canonicalize the target spec json path just like rustc
+
+OUTPUT_DIR := "$(TMPDIR)/rustdoc-target-spec-json-path"
+
+all:
+	$(RUSTC) --crate-type lib dummy_core.rs --target target.json
+	$(RUSTDOC) -o $(OUTPUT_DIR) -L $(TMPDIR) my_crate.rs --target target.json

src/test/run-make-fulldeps/rustdoc-target-spec-json-path/dummy_core.rs

@@ -0,0 +1,2 @@
+#![feature(no_core)]
+#![no_core]

src/test/run-make-fulldeps/rustdoc-target-spec-json-path/my_crate.rs

@@ -0,0 +1,3 @@
+#![feature(no_core)]
+#![no_core]
+extern crate dummy_core;

src/test/run-make-fulldeps/rustdoc-target-spec-json-path/target.json

@@ -0,0 +1,39 @@
+{
+  "arch": "x86_64",
+  "cpu": "x86-64",
+  "crt-static-respected": true,
+  "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128",
+  "dynamic-linking": true,
+  "env": "gnu",
+  "executables": true,
+  "has-elf-tls": true,
+  "has-rpath": true,
+  "is-builtin": true,
+  "linker-is-gnu": true,
+  "llvm-target": "x86_64-unknown-linux-gnu",
+  "max-atomic-width": 64,
+  "os": "linux",
+  "position-independent-executables": true,
+  "pre-link-args": {
+    "gcc": [
+      "-m64"
+    ]
+  },
+  "relro-level": "full",
+  "stack-probes": {
+    "kind": "inline-or-call",
+    "min-llvm-version-for-inline": [
+      11,
+      0,
+      1
+    ]
+  },
+  "supported-sanitizers": [
+    "address",
+    "leak",
+    "memory",
+    "thread"
+  ],
+  "target-family": "unix",
+  "target-pointer-width": "64"
+}