lld: use a response file on `NameTooLong`

1 files changed, 6 insertions, 4 deletions

diff --git a/src/Compilation.zig b/src/Compilation.zig
index 0a6c0e2e4d..e592046850 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -5091,7 +5091,7 @@ fn spawnZigRc(
     }
 }
 
-pub fn tmpFilePath(comp: *Compilation, ally: Allocator, suffix: []const u8) error{OutOfMemory}![]const u8 {
+pub fn tmpFilePath(comp: Compilation, ally: Allocator, suffix: []const u8) error{OutOfMemory}![]const u8 {
     const s = std.fs.path.sep_str;
     const rand_int = std.crypto.random.int(u64);
     if (comp.local_cache_directory.path) |p| {
@@ -5894,14 +5894,16 @@ pub fn lockAndSetMiscFailure(
     return setMiscFailure(comp, tag, format, args);
 }
 
-fn parseLldStderr(comp: *Compilation, comptime prefix: []const u8, stderr: []const u8) Allocator.Error!void {
+fn parseLldStderr(comp: *Compilation, prefix: []const u8, stderr: []const u8) Allocator.Error!void {
     var context_lines = std.ArrayList([]const u8).init(comp.gpa);
     defer context_lines.deinit();
 
     var current_err: ?*LldError = null;
     var lines = mem.splitSequence(u8, stderr, if (builtin.os.tag == .windows) "\r\n" else "\n");
     while (lines.next()) |line| {
-        if (mem.startsWith(u8, line, prefix ++ ":")) {
+        if (line.len > prefix.len + ":".len and
+            mem.eql(u8, line[0..prefix.len], prefix) and line[prefix.len] == ':')
+        {
             if (current_err) |err| {
                 err.context_lines = try context_lines.toOwnedSlice();
             }
@@ -5933,7 +5935,7 @@ fn parseLldStderr(comp: *Compilation, comptime prefix: []const u8, stderr: []con
     }
 }
 
-pub fn lockAndParseLldStderr(comp: *Compilation, comptime prefix: []const u8, stderr: []const u8) void {
+pub fn lockAndParseLldStderr(comp: *Compilation, prefix: []const u8, stderr: []const u8) void {
     comp.mutex.lock();
     defer comp.mutex.unlock();