Add LLDB crash repro files and updated launch.json

Author: Subham-KRLX

Code Samples/Fib/a.out

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+	<dict>
+		<key>CFBundleDevelopmentRegion</key>
+		<string>English</string>
+		<key>CFBundleIdentifier</key>
+		<string>com.apple.xcode.dsym.a.out</string>
+		<key>CFBundleInfoDictionaryVersion</key>
+		<string>6.0</string>
+		<key>CFBundlePackageType</key>
+		<string>dSYM</string>
+		<key>CFBundleSignature</key>
+		<string>????</string>
+		<key>CFBundleShortVersionString</key>
+		<string>1.0</string>
+		<key>CFBundleVersion</key>
+		<string>1</string>
+	</dict>
+</plist>

Code Samples/Fib/a.out.dSYM/Contents/Info.plist

@@ -0,0 +1,5 @@
+---
+triple:          'arm64-apple-darwin'
+binary-path:     a.out
+relocations:     []
+...

Code Samples/Fib/a.out.dSYM/Contents/Resources/DWARF/a.out

@@ -54,5 +54,5 @@ int main(int argc, char **argv)
 
     std::cout << "All threads exited!" << std::endl;
 
-    return 1;
+    return 0;
 }

Code Samples/Fib/a.out.dSYM/Contents/Resources/Relocations/aarch64/a.out.yml

@@ -24,7 +24,8 @@ void * thread_proc(void* ctx)
     int tid = g_tid++;
 
     char thread_name[16];
-    sprintf(thread_name, "Thread %d", tid);
+    snprintf(thread_name, sizeof(thread_name), "Thread %d", tid);  // ✅ replaced sprintf with snprintf
+
 #ifdef __APPLE__
     pthread_setname_np(thread_name);
 #else
@@ -45,4 +46,6 @@ void * thread_proc(void* ctx)
     }
 
     std::cout << thread_name << " exited!" << std::endl;
-}
+
+    return nullptr;  // ✅ fixed missing return
+}

Code Samples/Fib/main.cpp

@@ -1 +1,6 @@
-void * thread_proc(void* ctx);
+#ifndef THREAD_H
+#define THREAD_H
+
+void* thread_proc(void* ctx);
+
+#endif // THREAD_H