Use gcc, patch test_fibonacci

Author: chinosu

debugger2/src/debugger/compile.py

@@ -5,7 +5,7 @@
 
 async def compile(source_path: str | Path, output_path: str | Path) -> None:
     clang = await create_subprocess_exec(
-        "clang",
+        "gcc",
         str(source_path),
         "-o",
         str(output_path),

debugger2/src/debugger/test_fibonacci.c

@@ -1,7 +1,7 @@
 #include <stdio.h>
 
 void fibonacci(int n) {
-    int a = 0, b = 1, next;
+    int a = 0, b = 1, next = 0xbeef;
     printf("Fibonacci sequence up to %d terms:\n", n);
     for (int i = 1; i <= n; i++) {
         printf("%d ", a);

debugger2/src/debugger/test_fibonacci.py

@@ -56,7 +56,7 @@ def _(message: any) -> None:
         assert fibonacci["b"].type == "int"
         assert fibonacci["b"].value == 1
         assert fibonacci["next"].type == "int"
-        assert fibonacci["next"].value == 0
+        assert fibonacci["next"].value == 0xBEEF
 
         main = frames[(1, "main")]
         assert len(main) == 1
@@ -66,7 +66,7 @@ def _(message: any) -> None:
         assert memory[fibonacci["n"].address, "int"].value == 10
         assert memory[fibonacci["a"].address, "int"].value == 0
         assert memory[fibonacci["b"].address, "int"].value == 1
-        assert memory[fibonacci["next"].address, "int"].value == 0
+        assert memory[fibonacci["next"].address, "int"].value == 0xBEEF
         assert memory[main["n"].address, "int"].value == 10
 
         await debug.finish()