diff --git a/gcc/combine.cc b/gcc/combine.cc
index 053879500b7..22bf8e1ec89 100644
--- a/gcc/combine.cc
+++ b/gcc/combine.cc
@@ -1416,6 +1416,7 @@ combine_instructions (rtx_insn *f, unsigned int nregs)
 		      statistics_counter_event (cfun, "insn-with-note combine", 1);
 		      goto retry;
 		    }
+		  INSN_CODE (temp) = -1;
 		  SET_SRC (set) = orig_src;
 		  SET_DEST (set) = orig_dest;
 		}
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr108892.c b/gcc/testsuite/gcc.c-torture/compile/pr108892.c
new file mode 100644
index 00000000000..d7fecd54ecf
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr108892.c
@@ -0,0 +1,23 @@
+typedef char __attribute__((__vector_size__ (64))) U;
+typedef int __attribute__((__vector_size__ (64))) V;
+
+int g;
+U u;
+
+static inline __attribute__((__always_inline__)) void
+bar (short a, short b, V w)
+{
+  V v = __builtin_shufflevector ((V) { }, a % (0 != w), 17, 22, 20, 15,
+				 20, 23, 17, 20, 16, 21, 16, 19, 18, 14, 15,
+				 14) ^ b;
+  g *= __builtin_memcmp_eq (0, 0, 2);
+  v |= 6;
+  __builtin_ilogb (0);
+  u = (U) w + (U) v;
+}
+
+void
+foo (void)
+{
+  bar (5, 4, (V){30, 4, 1, 5, 6});
+}