From: Jan Hubicka <hubicka@ucw.cz>
Date: Wed, 13 Nov 2019 13:29:27 +0000 (+0100)
Subject: ipa-inline.c (ipa_inline): Check that function is defined before flattening.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2895b172d56c355373b64517a3298a01a2f10ec0;p=gcc.git

ipa-inline.c (ipa_inline): Check that function is defined before flattening.


	* ipa-inline.c (ipa_inline): Check that function is defined before
	flattening.
	* gcc.c-torture/compile/flatten.c: New testcase.

From-SVN: r278139
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0e5560e1f87..f637442f523 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-11-13  Jan Hubicka  <hubicka@ucw.cz>
+
+	* ipa-inline.c (ipa_inline): Check that function is defined before
+	flattening.
+
 2019-11-13  Andrew Stubbs  <ams@codesourcery.com>
 	    Julian Brown  <julian@codesourcery.com>
 
diff --git a/gcc/ipa-inline.c b/gcc/ipa-inline.c
index df6f991ad79..f3e880c3e93 100644
--- a/gcc/ipa-inline.c
+++ b/gcc/ipa-inline.c
@@ -2564,8 +2564,9 @@ ipa_inline (void)
   for (i = nnodes - 1, j = i; i >= 0; i--)
     {
       node = order[i];
-      if (lookup_attribute ("flatten",
-			    DECL_ATTRIBUTES (node->decl)) != NULL)
+      if (node->definition
+	  && lookup_attribute ("flatten",
+			       DECL_ATTRIBUTES (node->decl)) != NULL)
 	order[j--] = order[i];
     }
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1727bf0eac7..cd38237ab3b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2019-11-13  Jan Hubicka  <hubicka@ucw.cz>
+
+	* gcc.c-torture/compile/flatten.c: New testcase.
+
 2019-11-13  Tobias Burnus  <tobias@codesourcery.com>
 
 	PR fortran/92470
diff --git a/gcc/testsuite/gcc.c-torture/compile/flatten.c b/gcc/testsuite/gcc.c-torture/compile/flatten.c
new file mode 100644
index 00000000000..73042bed64a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/flatten.c
@@ -0,0 +1,5 @@
+int you_shall_not_flatten_me () __attribute__ ((flatten));
+main()
+{
+  you_shall_not_flatten_me ();
+}