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-rw-r--r--src/runtime/asm_amd64.s5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/runtime/asm_amd64.s b/src/runtime/asm_amd64.s
index 5e1ed9b2ad..05422c9699 100644
--- a/src/runtime/asm_amd64.s
+++ b/src/runtime/asm_amd64.s
@@ -445,7 +445,10 @@ TEXT runtime·morestack_noctxt(SB),NOSPLIT,$0
MOVL $0, DX
JMP runtime·morestack(SB)
-#ifdef GOEXPERIMENT_REGABI
+// REFLECTCALL_USE_REGABI is not defined. It must be defined in conjunction with the
+// register constants in the internal/abi package.
+
+#ifdef REFLECTCALL_USE_REGABI
// spillArgs stores return values from registers to a *internal/abi.RegArgs in R12.
TEXT spillArgs<>(SB),NOSPLIT,$0-0
MOVQ AX, 0(R12)