make/test: clean 32-bit detection and test tcc32/tcc64 CI run (#9001)

.github/workflows/ci.yml

@@ -753,6 +753,9 @@ jobs:
         run: |
           .\v.exe cmd/tools/test_if_v_test_system_works.v
           .\cmd\tools\test_if_v_test_system_works.exe
+      - name: Make sure running TCC64 instead of TCC32
+        run : |
+          .\v.exe test .github\workflows\make_sure_ci_run_with_64bit_compiler_test.v
       - name: Self tests
         run: |
           .\v.exe -silent test-self
@@ -795,6 +798,9 @@ jobs:
         run: |
           .\v.exe cmd/tools/test_if_v_test_system_works.v
           .\cmd\tools\test_if_v_test_system_works.exe
+      - name: Make sure running TCC32 instead of TCC64
+        run : |
+          .\v.exe test .github\workflows\make_sure_ci_run_with_32bit_compiler_test.v
       - name: Self tests
         run: |
           .\v.exe -silent test-self

.github/workflows/make_sure_ci_run_with_32bit_compiler_test.v

@@ -0,0 +1,5 @@
+fn test_ci_run_with_32bit_compiler() {
+    $if x64 {
+        assert false
+    }	
+}

.github/workflows/make_sure_ci_run_with_64bit_compiler_test.v

@@ -0,0 +1,5 @@
+fn test_ci_run_with_64bit_compiler() {
+    $if x32 {
+        assert false
+    }	
+}