reporter: handle case where we have location, not stack

src/reporter/src/source.tsx

@@ -53,6 +53,19 @@ export const Source: FC<SourceOpts> = ({
       </>
     )
   }
+  if (location && !stack) {
+    return (
+      <Source
+        {...{
+          source,
+          at,
+          errorOrigin,
+          stack: location,
+          isErrorOrigin,
+        }}
+      />
+    )
+  }
   if (stack && !at) {
     if (location) {
       return (

src/reporter/tap-snapshots/test/source.tsx.test.cjs

@@ -57,6 +57,19 @@ exports[`test/source.tsx > TAP > get at from stack > must match snapshot 2`] = `
  83   }                                                                   
 `
 
+exports[`test/source.tsx > TAP > get at from stack > must match snapshot 3`] = `
+test/source.tsx                                                           
+ 91       getStack(),                                                     
+ 92     ]                                                                 
+ 93   }                                                                   
+ 94   const test = () => getStackAndLocation()                            
+ ━━━━━━━━━━━━━━━━━━━━━━━━┛                                                  
+ 95   const app = render(<Source stack={getStack()} />)                   
+ 96   t.matchSnapshot(app.lastFrame())                                    
+ 97   const [ location, stack ] = test()                                  
+ 98   const withLoc = render(<Source stack={stack} location={location} />)
+`
+
 exports[`test/source.tsx > TAP > show diag source if provided and callsite invalid > must match snapshot 1`] = `
 diag source
 `

src/reporter/test/source.tsx

@@ -97,5 +97,7 @@ t.test('get at from stack', t => {
   const [ location, stack ] = test()
   const withLoc = render(<Source stack={stack} location={location} />)
   t.matchSnapshot(withLoc.lastFrame())
+  const locOnly = render(<Source location={location} />)
+  t.matchSnapshot(locOnly.lastFrame())
   t.end()
 })