From: Rico Tzschichholz <ricotz@ubuntu.com>
Date: Sat, 2 Sep 2017 07:46:33 +0000 (+0200)
Subject: codegen: Initialize temp-variable for fixed-size arrays to zero first
X-Git-Tag: 0.38.0~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8d47c0c883b3c97ff5dce932d785f25b8464494;p=thirdparty%2Fvala.git

codegen: Initialize temp-variable for fixed-size arrays to zero first

https://bugzilla.gnome.org/show_bug.cgi?id=787152
---

diff --git a/codegen/valaccodearraymodule.vala b/codegen/valaccodearraymodule.vala
index 2b78bbc7d..ea0a85ded 100644
--- a/codegen/valaccodearraymodule.vala
+++ b/codegen/valaccodearraymodule.vala
@@ -44,6 +44,7 @@ public class Vala.CCodeArrayModule : CCodeMethodCallModule {
 			// no heap allocation for fixed-length arrays
 
 			var temp_var = get_temp_variable (array_type, true, expr);
+			temp_var.init = true;
 			var name_cnode = get_variable_cexpression (temp_var.name);
 			int i = 0;
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 48c0cb0eb..b3e5f7cc8 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -47,6 +47,7 @@ TESTS = \
 	basic-types/bug771626.test \
 	basic-types/bug772426.vala \
 	basic-types/bug777697.test \
+	basic-types/bug787152.vala \
 	chainup/class-base.vala \
 	chainup/class-base-foo.vala \
 	chainup/class-object.vala \
diff --git a/tests/basic-types/bug787152.vala b/tests/basic-types/bug787152.vala
new file mode 100644
index 000000000..a6ae36b85
--- /dev/null
+++ b/tests/basic-types/bug787152.vala
@@ -0,0 +1,8 @@
+void main () {
+	int test[6] = { 23, 4711, 42 };
+	assert (test[4] == 0);
+	assert (test[5] == 0);
+	int test2[6] = test;
+	assert (test2[4] == 0);
+	assert (test2[5] == 0);
+}