2022-04-11  Jakub Jelinek  <jakub@redhat.com>

	PR target/105214
	* config/i386/i386-expand.cc (ix86_emit_i387_log1p): Call
	do_pending_stack_adjust.

	* gcc.dg/asan/pr105214.c: New test.

--- gcc/config/i386/i386-expand.cc.jj	2022-04-03 21:50:36.001635947 +0200
+++ gcc/config/i386/i386-expand.cc	2022-04-11 15:17:43.943430658 +0200
@@ -17291,6 +17291,8 @@ void ix86_emit_i387_log1p (rtx op0, rtx
   rtx cst, cstln2, cst1;
   rtx_insn *insn;
 
+  do_pending_stack_adjust ();
+
   cst = const_double_from_real_value
     (REAL_VALUE_ATOF ("0.29289321881345247561810596348408353", XFmode), XFmode);
   cstln2 = force_reg (XFmode, standard_80387_constant_rtx (4)); /* fldln2 */
--- gcc/testsuite/gcc.dg/asan/pr105214.c.jj	2022-04-11 15:21:05.467608711 +0200
+++ gcc/testsuite/gcc.dg/asan/pr105214.c	2022-04-11 15:22:10.559697224 +0200
@@ -0,0 +1,16 @@
+/* PR target/105214 */
+/* { dg-do compile } */
+/* { dg-skip-if "" { *-*-* } { "*" } { "-O2" } } */
+/* { dg-options "-Ofast -fnon-call-exceptions -fexceptions -fstack-check=generic -fsanitize=address -fno-finite-math-only -fsignaling-nans -fno-associative-math" } */
+
+float f;
+void bar (int *);
+
+void
+foo (void)
+{
+  int a[1600], b[1];
+  f += __builtin_log1pf (f);
+  bar (a);
+  bar (b);
+}