File gcc7-pr89124.patch of Package cross-avr-gcc7-bootstrap

From 9d983fd1b9611631fdd5efd26b3b7bdc1ab6dc24 Mon Sep 17 00:00:00 2001
From: Martin Jambor <mjambor@suse.cz>
Date: Mon, 7 Nov 2022 17:42:01 +0100
Subject: [PATCH] Backport of fix to PR sanitizer/89124

gcc/ChangeLog:

2019-01-31  Jakub Jelinek  <jakub@redhat.com>

       PR sanitizer/89124
       * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
       always_inline callees into no_sanitize_address callers.

gcc/testsuite/ChangeLog:

2019-01-31  Jakub Jelinek  <jakub@redhat.com>

       PR sanitizer/89124
       * c-c++-common/asan/pr89124.c: New test.

From-SVN: r268415
Git commit 6206a883fe7a741dbb9e09d88255a170a75950f5
---
 gcc/ipa-inline.c                          |  6 ++++++
 gcc/testsuite/c-c++-common/asan/pr89124.c | 14 ++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 gcc/testsuite/c-c++-common/asan/pr89124.c

diff --git a/gcc/ipa-inline.c b/gcc/ipa-inline.c
index b520c6393f4..64542238fdd 100644
--- a/gcc/ipa-inline.c
+++ b/gcc/ipa-inline.c
@@ -263,6 +263,12 @@ sanitize_attrs_match_for_inline_p (const_tree caller, const_tree callee)
   if (!caller || !callee)
     return true;
 
+  /* Allow inlining always_inline functions into no_sanitize_address
+     functions.  */
+  if (lookup_attribute ("no_sanitize_address", DECL_ATTRIBUTES (caller))
+      && lookup_attribute ("always_inline", DECL_ATTRIBUTES (callee)))
+    return true;
+
   return !!lookup_attribute ("no_sanitize_address",
       DECL_ATTRIBUTES (caller)) == 
       !!lookup_attribute ("no_sanitize_address",
diff --git a/gcc/testsuite/c-c++-common/asan/pr89124.c b/gcc/testsuite/c-c++-common/asan/pr89124.c
new file mode 100644
index 00000000000..c9c870b76c6
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/asan/pr89124.c
@@ -0,0 +1,14 @@
+/* PR sanitizer/89124 */
+/* { dg-do compile } */
+
+static int inline __attribute__ ((always_inline))
+foo (int x)
+{
+  return x + 1;
+}
+
+__attribute__ ((no_sanitize_address)) int
+bar (int x)
+{
+  return foo (x);
+}
-- 
2.38.0