From: Richard Biener <rguenther@suse.de>
Date: Mon, 4 Jun 2018 18:03:24 +0000 (+0000)
Subject: re PR middle-end/85955 (ICE in fold_convert_loc, at fold-const.c:2408)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1b17b99482291691b4179696e65fb42e1831e3ce;p=gcc.git

re PR middle-end/85955 (ICE in fold_convert_loc, at fold-const.c:2408)

2018-06-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/85955
	* builtins.c (fold_builtin_sincos): Convert pointers to
	destination to appropriate type before dereferencing.

	* gcc.dg/pr85955.c: New testcase.

From-SVN: r261165
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6f3e6543b8f..fda150a0426 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-06-04  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/85955
+	* builtins.c (fold_builtin_sincos): Convert pointers to
+	destination to appropriate type before dereferencing.
+
 2018-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	* config/rs6000/rs6000.md (abs<mode>2 for FLOAT128): Handle IFmode.
diff --git a/gcc/builtins.c b/gcc/builtins.c
index c96ac38e8e9..d4150d877dd 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -8266,6 +8266,9 @@ fold_builtin_sincos (location_t loc,
       call = builtin_save_expr (call);
     }
 
+  tree ptype = build_pointer_type (type);
+  arg1 = fold_convert (ptype, arg1);
+  arg2 = fold_convert (ptype, arg2);
   return build2 (COMPOUND_EXPR, void_type_node,
 		 build2 (MODIFY_EXPR, void_type_node,
 			 build_fold_indirect_ref_loc (loc, arg1),
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e27cf415b70..821e08865fa 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-06-04  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/85955
+	* gcc.dg/pr85955.c: New testcase.
+
 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 
 	PR fortran/85981
diff --git a/gcc/testsuite/gcc.dg/pr85955.c b/gcc/testsuite/gcc.dg/pr85955.c
new file mode 100644
index 00000000000..7f67f62dce6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr85955.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -w" } */
+
+extern void sincos(double x, double *sinx, double *cosx);
+void apply(void (*f)(double, double *, double *),
+	   double x, double *sinx, double *cosx)
+{
+  f(x, sinx, cosx);
+  return;
+}
+void apply_sincos(double x, double **sinx, double **cosx)
+{
+  apply(sincos, x, sinx, cosx);
+  return;
+}