From bc28ec39cf6f345374598a64c5ef4697261e9c9e Mon Sep 17 00:00:00 2001
From: Dylan Conway <35280289+dylan-conway@users.noreply.github.com>
Date: Wed, 19 Jul 2023 15:39:15 -0700
Subject: set `did_panic` flag (#3687)

---
 src/js_lexer.zig  | 1 +
 src/js_parser.zig | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/js_lexer.zig b/src/js_lexer.zig
index e8b852d0d..a0ad75c7b 100644
--- a/src/js_lexer.zig
+++ b/src/js_lexer.zig
@@ -1793,6 +1793,7 @@ fn NewLexer_(
                 }
             };
 
+            lexer.did_panic = true;
             try lexer.addRangeError(lexer.range(), "Unexpected {s}", .{found}, true);
         }
 
diff --git a/src/js_parser.zig b/src/js_parser.zig
index d20c1a868..2d00654c9 100644
--- a/src/js_parser.zig
+++ b/src/js_parser.zig
@@ -11633,7 +11633,11 @@ fn NewParser_(
                         error.Backtrack => {
                             backtrack = true;
                         },
-                        else => {},
+                        else => {
+                            if (p.lexer.did_panic) {
+                                backtrack = true;
+                            }
+                        },
                     }
                     if (comptime FnReturnType == anyerror!bool or FnReturnType == anyerror!void)
                         // we are not using the value
-- 
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