Properly exit on error when -E (preprocess only) is set

Closes Vexu#554
squeek502 · Nov 12, 2023 · 16b60b2 · 16b60b2
1 parent 0b0b60f
commit 16b60b2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/Driver.zig b/src/Driver.zig
@@ -572,6 +572,11 @@ fn processSource(
     if (d.only_preprocess) {
         d.comp.renderErrors();
 
+        if (d.comp.diag.errors != 0) {
+            if (fast_exit) std.process.exit(1); // Not linking, no need for cleanup.
+            return;
+        }
+
         const file = if (d.output_name) |some|
             std.fs.cwd().createFile(some, .{}) catch |er|
                 return d.fatal("unable to create output file '{s}': {s}", .{ some, util.errorDescription(er) })