Merge branch 'maint'

Conflicts:
	OTP_VERSION

3 files changed, 35 insertions, 1 deletions

diff --git a/lib/compiler/doc/src/notes.xml b/lib/compiler/doc/src/notes.xml
index f3d42a909b..bc335a9eaa 100644
--- a/lib/compiler/doc/src/notes.xml
+++ b/lib/compiler/doc/src/notes.xml
@@ -32,6 +32,23 @@
   <p>This document describes the changes made to the Compiler
     application.</p>
 
+<section><title>Compiler 7.1.1</title>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+      <list>
+        <item>
+	    <p>Fail labels on guard BIFs weren't taken into account
+	    during an optimization pass, and a bug in the validation
+	    pass sometimes prevented this from being noticed when a
+	    fault occurred.</p>
+          <p>
+	    Own Id: OTP-14522 Aux Id: ERIERL-48 </p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>Compiler 7.1</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/compiler/test/beam_utils_SUITE.erl b/lib/compiler/test/beam_utils_SUITE.erl
index a3f1bb93fe..710cb050d4 100644
--- a/lib/compiler/test/beam_utils_SUITE.erl
+++ b/lib/compiler/test/beam_utils_SUITE.erl
@@ -260,6 +260,14 @@ otp_8949_b(A, B) ->
 liveopt(_Config) ->
     F = liveopt_fun(42, pebkac, user),
     void = F(42, #alarmInfo{type=sctp,cause=pebkac,origin=user}),
+
+
+    A = {#alarmInfo{cause = {abc, def}}, ghi},
+    A = liveopt_guard_bif(A),
+
+    B = {#alarmInfo{cause = {abc}}, def},
+    {#alarmInfo{cause = {{abc}}}, def} = liveopt_guard_bif(B),
+
     ok.
 
 liveopt_fun(Peer, Cause, Origin) ->
@@ -271,6 +279,15 @@ liveopt_fun(Peer, Cause, Origin) ->
 	    void
     end.
 
+liveopt_guard_bif({#alarmInfo{cause=F}=R, X}=A) ->
+    %% ERIERL-48
+    if
+        is_tuple(F), tuple_size(F) == 2 -> A;
+        true ->
+            R2 = R#alarmInfo{cause={F}},
+            {R2,X}
+    end.
+
 %% Thanks to QuickCheck.
 coverage(_Config) ->
     42+7 = merchant([[],7,false]),
diff --git a/lib/compiler/vsn.mk b/lib/compiler/vsn.mk
index 463c264a5f..27ee5a3fb7 100644
--- a/lib/compiler/vsn.mk
+++ b/lib/compiler/vsn.mk
@@ -1 +1 @@
-COMPILER_VSN = 7.1
+COMPILER_VSN = 7.1.1