From: MaartenBrock <MaartenBrock@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Wed, 5 Sep 2007 12:40:01 +0000 (+0000)
Subject: * src/mcs51/gen.c (genReceive): fixed bug 1788177
X-Git-Url: https://git.gag.com/?p=fw%2Fsdcc;a=commitdiff_plain;h=798a219a3db09c77b08d014f77cce8dc978b49cf

* src/mcs51/gen.c (genReceive): fixed bug 1788177
* support/regression/tests/bug1788177.c: new, added

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4911 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/ChangeLog b/ChangeLog
index 4ffdad05..4a877ea5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,12 @@
+2007-09-05 Maarten Brock <sourceforge.brock AT dse.nl>
+
+	* src/mcs51/gen.c (genReceive): fixed bug 1788177
+	* support/regression/tests/bug1788177.c: new, added
+
 2007-09-04 Frieder Ferlemann <Frieder.Ferlemann AT web.de>
 
-        * doc/sdccman.lyx: mentioned d52 and cmake, customizing startup code
-        * device/include/mcs51/lint.h added keyword __naked
+	* doc/sdccman.lyx: mentioned d52 and cmake, customizing startup code
+	* device/include/mcs51/lint.h added keyword __naked
 
 2007-09-04 Maarten Brock <sourceforge.brock AT dse.nl>
 
diff --git a/src/mcs51/gen.c b/src/mcs51/gen.c
index e9f0df3c..20fefb21 100644
--- a/src/mcs51/gen.c
+++ b/src/mcs51/gen.c
@@ -11630,7 +11630,10 @@ genReceive (iCode * ic)
     }
   else if (ic->argreg > 12)
     { /* bit parameters */
-      if (OP_SYMBOL (IC_RESULT (ic))->regs[0]->rIdx != ic->argreg-5)
+      regs *reg = OP_SYMBOL (IC_RESULT (ic))->regs[0];
+
+      BitBankUsed = 1;
+      if (!reg || reg->rIdx != ic->argreg-5)
         {
           aopOp (IC_RESULT (ic), ic, FALSE);
           emitcode ("mov", "c,%s", rb1regs[ic->argreg-5]);
diff --git a/support/regression/tests/bug1788177.c b/support/regression/tests/bug1788177.c
new file mode 100644
index 00000000..acd7d875
--- /dev/null
+++ b/support/regression/tests/bug1788177.c
@@ -0,0 +1,24 @@
+/*
+    bug 1788177
+*/
+
+#include <stdbool.h>
+#include <testfwk.h>
+
+#ifdef __bool_true_false_are_defined
+
+bool var;
+
+// no need to call this, it generates compiler error:
+//   Caught signal 11: SIGSEGV
+void foo(bool parm) {
+	var = parm;
+}
+
+#endif
+
+void
+testBug(void)
+{
+	ASSERT(1);
+}