zig

commit eba04d91cc1848a138c966ebf9431ff9d250aea8 (tree)
parent 7d52ad5e974d1b0b841eb957295173a24122eed1
Author: Motiejus Jakštys <motiejus@jakstys.lt>
Date:   Mon, 16 Feb 2026 22:47:52 +0000

astgen.c: fix forExpr to use nodeIsTriviallyZero for range start check

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Diffstat:
M
stage0/astgen.c
 | 
13
++-----------
M
stage0/stages_test.zig
 | 
2
+-

2 files changed, 3 insertions(+), 12 deletions(-)
diff --git a/stage0/astgen.c b/stage0/astgen.c
@@ -9924,17 +9924,8 @@ static uint32_t forExpr(
                 lens[i][1] = end_val;
             }
 
-            // Check if start is trivially zero.
-            bool start_is_zero = false;
-            if (tree->nodes.tags[start_node] == AST_NODE_NUMBER_LITERAL) {
-                uint32_t tok = tree->nodes.main_tokens[start_node];
-                uint32_t ts = tree->tokens.starts[tok];
-                if (tree->source[ts] == '0'
-                    && (ts + 1 >= tree->source_len
-                        || tree->source[ts + 1] < '0'
-                        || tree->source[ts + 1] > '9'))
-                    start_is_zero = true;
-            }
+            // Check if start is trivially zero (AstGen.zig:6915).
+            bool start_is_zero = nodeIsTriviallyZero(tree, start_node);
             indexables[i] = start_is_zero ? ZIR_REF_NONE : start_val;
         } else {
             // Regular indexable (AstGen.zig:6918-6923).
diff --git a/stage0/stages_test.zig b/stage0/stages_test.zig
@@ -37,7 +37,7 @@ const corpus_files = .{
     "../lib/compiler/aro/aro/Builtins/TypeDescription.zig",
     "../lib/compiler/aro/aro/Builtins.zig",
     "../lib/compiler/aro/aro/char_info/identifier_tables.zig",
-    //"../lib/compiler/aro/aro/char_info.zig",
+    "../lib/compiler/aro/aro/char_info.zig",
     "../lib/compiler/aro/aro/CodeGen.zig",
     "../lib/compiler/aro/aro/Compilation.zig",
     "../lib/compiler/aro/aro/Diagnostics/messages.zig",