From: Martin Liska <mliska@suse.cz>
Date: Thu, 12 Aug 2021 15:49:14 +0000 (+0200)
Subject: c++: fix -fsanitize-coverage=trace-pc ICE [PR101331]
X-Git-Tag: upstream/12.2.0~5210
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=90ac6edc3c0123b6cf975781f70c8517db84bd63;p=platform%2Fupstream%2Fgcc.git

c++: fix -fsanitize-coverage=trace-pc ICE [PR101331]

	PR c++/101331

gcc/ChangeLog:

	* asan.h (sanitize_coverage_p): Handle when fn == NULL.

gcc/testsuite/ChangeLog:

	* g++.dg/pr101331.C: New test.
---

diff --git a/gcc/asan.h b/gcc/asan.h
index 8c0b2ba..820c18b 100644
--- a/gcc/asan.h
+++ b/gcc/asan.h
@@ -255,8 +255,9 @@ static inline bool
 sanitize_coverage_p (const_tree fn = current_function_decl)
 {
   return (flag_sanitize_coverage
-	  && lookup_attribute ("no_sanitize_coverage",
-			       DECL_ATTRIBUTES (fn)) == NULL_TREE);
+	  && (fn == NULL_TREE
+	      || lookup_attribute ("no_sanitize_coverage",
+				   DECL_ATTRIBUTES (fn)) == NULL_TREE));
 }
 
 #endif /* TREE_ASAN */
diff --git a/gcc/testsuite/g++.dg/pr101331.C b/gcc/testsuite/g++.dg/pr101331.C
new file mode 100644
index 0000000..015aba2
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr101331.C
@@ -0,0 +1,7 @@
+// PR c++/101331
+// { dg-do compile }
+// { dg-options "-fsanitize-coverage=trace-pc -O2 -std=c++11" }
+
+int a[2];
+int b = 1;
+int c { b && (a[b] = 0) };