fail the tasks, if there is a fatal link error (#9211)

Author: Elaheh Rashedi

Extension/src/LanguageServer/cppBuildTaskProvider.ts

@@ -430,24 +430,26 @@ class CustomBuildTaskTerminal implements Pseudoterminal {
                             this.writeEmitter.fire(localize("build.run.terminated", "Build run was terminated.") + this.endOfLine);
                             resolve(-1);
                         } else {
-                            resolve(0);
+                            resolve(result);
                         }
                     });
                 }
             });
-            let result: number = this.printBuildSummary(error, stdout, stderr);
-            if (spawnResult === -1) {
-                result = -1;
-            }
+            const result: number = this.printBuildSummary(error, stdout, stderr, spawnResult);
             this.closeEmitter.fire(result);
         } catch {
             this.closeEmitter.fire(-1);
         }
     }
 
-    private printBuildSummary(error: string, stdout: string, stderr: string): number {
+    private printBuildSummary(error: string, stdout: string, stderr: string, spawnResult: number): number {
+        if (spawnResult !== 0) {
+            telemetry.logLanguageServerEvent("cppBuildTaskError");
+            this.writeEmitter.fire(localize("build.finished.with.error", "Build finished with error(s).") + this.endOfLine);
+            return -1;
+        }
         if (error || (!stdout && stderr && stderr.includes("error")) ||
-            (stdout && stdout.includes("error C"))) { // cl.exe compiler errors
+            (stdout && (stdout.includes("error C") || stdout.includes("LINK : fatal error")))) { // cl.exe compiler errors
             telemetry.logLanguageServerEvent("cppBuildTaskError");
             this.writeEmitter.fire(localize("build.finished.with.error", "Build finished with error(s).") + this.endOfLine);
             return -1;