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 0e5560e1f87d23427d36b8f0080c62f295e36e05..f637442f5233c99535a7fea89e82db778dacdfac 100644 (file)
--- 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 df6f991ad79b23b61a64abd7882aa1460bd5824a..f3e880c3e93f6616e12e0d41156a19f5be0bd838 100644 (file)
--- 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 1727bf0eac77b65809b3b68bedffbef7b5882a74..cd38237ab3b3b5542f5b913468a0963b618ef73e 100644 (file)
--- 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 (file)
index 0000000..73042be
--- /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 ();
+}