From: MaartenBrock <MaartenBrock@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Tue, 6 Feb 2007 23:33:52 +0000 (+0000)
Subject: * support/regression/tests/bug1273984.c: new, added, thanks Günther Jehle
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=d35c87482d5213924279b193f3c581916777c4b1;p=fw%2Fsdcc

* support/regression/tests/bug1273984.c: new, added, thanks Günther Jehle

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4622 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/ChangeLog b/ChangeLog
index 122901e5..48808425 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,7 @@
 	  can this have lived here for so many years?
 	* src/SDCCicode.c (ast2iCode): return left instead of right for assignment,
 	  fixes bug 1273984, see also patch 1645121, thanks Günther Jehle
+	* support/regression/tests/bug1273984.c: new, added, thanks Günther Jehle
 
 2007-02-06 Bernhard Held <bernhard AT bernhardheld.de>
 
diff --git a/support/regression/tests/bug1273984.c b/support/regression/tests/bug1273984.c
new file mode 100644
index 00000000..1006a307
--- /dev/null
+++ b/support/regression/tests/bug1273984.c
@@ -0,0 +1,43 @@
+/*  An assignment inside a functioncall changed the type of the parameter.
+    See bug description 1273984 for details.
+
+    Bug detected and fixed by Guenther Jehle
+
+    sign: unsigned,
+ */
+
+#include <testfwk.h>
+
+void foo({sign} int val) {
+  val; //make the compiler happy
+}
+
+void fooInt({sign} int val) {
+  ASSERT(val==3);
+}
+
+void fooChar({sign} char val) {
+  ASSERT(val==6);
+}
+
+void
+testAssignInFunctioncall(void)
+{
+  volatile {sign} char charVal=3;
+  volatile {sign} int intVal=0x4040;
+
+  fooInt(intVal=charVal); // should cast charVal to int for function call.
+                          // without patch #1645121, a char is put on the stack
+                          // (or hold in registers)
+  foo(0xAAAA);
+  fooInt(intVal=charVal);
+
+  intVal=6;
+
+  fooChar(charVal=intVal); // without patch, a int is put on the stack
+  foo(0xAAAA);
+  fooChar(charVal=intVal);
+
+}
+
+