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authorTakashi Kokubun <takashikkbn@gmail.com>2023-03-23 13:42:49 -0700
committerGitHub <noreply@github.com>2023-03-23 13:42:49 -0700
commitb4e438d8aabaf4bba2b27f374c787543fae07c58 (patch)
treeef14adb0d5e65098da72184071a52f0d1166f19a /yjit/src/codegen.rs
parent8286544dc5518f59bd607f6b6f8870fd22b3bac7 (diff)
downloadruby-b4e438d8aabaf4bba2b27f374c787543fae07c58.tar.gz
YJIT: Save PC on rb_str_concat (#7586)
[Bug #19483] Co-authored-by: Alan Wu <alansi.xingwu@shopify.com>
Diffstat (limited to 'yjit/src/codegen.rs')
-rw-r--r--yjit/src/codegen.rs6
1 files changed, 4 insertions, 2 deletions
diff --git a/yjit/src/codegen.rs b/yjit/src/codegen.rs
index 79267481fe..513cf9d308 100644
--- a/yjit/src/codegen.rs
+++ b/yjit/src/codegen.rs
@@ -4479,8 +4479,10 @@ fn jit_rb_str_concat(
// Guard that the concat argument is a string
guard_object_is_string(ctx, asm, ctx.stack_opnd(0), StackOpnd(0), side_exit);
- // Guard buffers from GC since rb_str_buf_append may allocate.
- gen_save_sp(asm, ctx);
+ // Guard buffers from GC since rb_str_buf_append may allocate. During the VM lock on GC,
+ // other Ractors may trigger global invalidation, so we need ctx.clear_local_types().
+ // PC is used on errors like Encoding::CompatibilityError raised by rb_str_buf_append.
+ jit_prepare_routine_call(jit, ctx, asm);
let concat_arg = ctx.stack_pop(1);
let recv = ctx.stack_pop(1);