Fix tests when using MinGW

Author: mweber15

Diff for: tests/codegen/issues/issue-98678-async.rs

@@ -6,7 +6,7 @@
 
 // ignore-tidy-linelength
 
-// NONMSVC-DAG: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*}}/issue-98678-async.rs{{".*}})
+// NONMSVC-DAG: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*[/\\]}}issue-98678-async.rs{{".*}})
 // MSVC: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*}}\\issue-98678-async.rs{{".*}})
 
 // NONMSVC-DAG: !DISubprogram(name: "foo",{{.*}}file: ![[#FILE]]{{.*}}line: [[# @LINE + 2]],

Diff for: tests/codegen/issues/issue-98678-closure-coroutine.rs

@@ -6,7 +6,7 @@
 
 // ignore-tidy-linelength
 
-// NONMSVC-DAG: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*}}/issue-98678-closure-coroutine.rs{{".*}})
+// NONMSVC-DAG: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*[/\\]}}issue-98678-closure-coroutine.rs{{".*}})
 // MSVC-DAG: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*}}\\issue-98678-closure-coroutine.rs{{".*}})
 
 pub fn foo() {

Diff for: tests/codegen/issues/issue-98678-enum.rs

@@ -4,7 +4,7 @@
 
 // ignore-tidy-linelength
 
-// NONMSVC: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*}}/issue-98678-enum.rs{{".*}})
+// NONMSVC: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*[/\\]}}issue-98678-enum.rs{{".*}})
 // MSVC: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*}}\\issue-98678-enum.rs{{".*}})
 
 // NONMSVC: !DICompositeType({{.*"}}SingleCase{{".*}}file: ![[#FILE]]{{.*}}line: [[# @LINE + 2]],

Diff for: tests/codegen/issues/issue-98678-struct-union.rs

@@ -5,7 +5,7 @@
 
 // ignore-tidy-linelength
 
-// NONMSVC: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*}}/issue-98678-struct-union.rs{{".*}})
+// NONMSVC: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*[/\\]}}issue-98678-struct-union.rs{{".*}})
 // MSVC: ![[#FILE:]] = !DIFile({{.*}}filename:{{.*}}\\issue-98678-struct-union.rs{{".*}})
 
 // CHECK: !DICompositeType({{.*"}}MyType{{".*}}file: ![[#FILE]]{{.*}}line: [[# @LINE + 1]],