test: make DebugInfo.debug_prefix_map pass on Windows

compnerd · compnerd · commit 1b812a2b1291 · 2019-04-04T09:07:46.000-07:00
The separator that is inserted is the native type, so permit both types
of path separators.
diff --git a/test/DebugInfo/debug_prefix_map.swift b/test/DebugInfo/debug_prefix_map.swift
@@ -9,4 +9,4 @@ func square(_ n: Int) -> Int {
 }
 
 // CHECK: !DIFile(filename: "/var/empty/debug_prefix_map.swift"
-// CHECK: !DIModule(scope: null, name: "Globals", includePath: "/var/empty/Globals.swiftmodule"
+// CHECK: !DIModule(scope: null, name: "Globals", includePath: "/var/empty{{(/|\\5C)}}Globals.swiftmodule"

Original file line number	Diff line number	Diff line change
`@@ -9,4 +9,4 @@ func square(_ n: Int) -> Int {`
`9`	`9`	`}`
`10`	`10`
`11`	`11`	`// CHECK: !DIFile(filename: "/var/empty/debug_prefix_map.swift"`
`12`		`-// CHECK: !DIModule(scope: null, name: "Globals", includePath: "/var/empty/Globals.swiftmodule"`
	`12`	`+// CHECK: !DIModule(scope: null, name: "Globals", includePath: "/var/empty{{(/\|\\5C)}}Globals.swiftmodule"`