scc

commit 4ae875181944ff1af246660aa69e13053aef7ec6
parent c11910371793063297b672c0ed228e9599a7401e
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Tue,  9 Aug 2016 17:08:15 +0200

[cc1] Add test065

This test tests really strange situations about pointers, decay,
and the content operator. If you someday in your life see a code
like this in production you should kill to the author.

Diffstat:
A
cc1/tests/test065.c
 | 
66
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 66 insertions(+), 0 deletions(-)
diff --git a/cc1/tests/test065.c b/cc1/tests/test065.c
@@ -0,0 +1,66 @@
+/* See LICENSE file for copyright and license details. */
+
+/*
+name: TEST065
+description: Test decay mixed with * operators
+error:
+test065.c:65: error: decrement of pointer to an incomplete type
+test065.c:65: error: invalid use of undefined type
+test065.c:66: warning: 'argv' defined but not used
+output:
+G7	I	F	"main
+{
+A1	I	"argc
+A5	P	"argv
+\
+V8	I	#N1
+A9	V8	"v
+A12	P	"p
+A14	P	"f1
+A15	P	"f2
+	A9	#I0	:I
+	A12	A9	'P	:P
+	A14	G7	'P	:P
+	A15	G7	'P	:P
+	y	L18	A1	#I0	!I
+	h	#I1
+L18
+	y	L19	G7	#I0	pI	#P0	pP	cI	#I0	=I
+	h	#I2
+L19
+	y	L20	A14	@F	#I0	pI	#P0	pP	cI	#I0	=I
+	h	#I3
+L20
+	y	L21	A15	@F	#I0	pI	#P0	pP	cI	#I0	=I
+	h	#I4
+L21
+	y	L22	A12	@I	#I0	!I
+	h	#I0
+L22
+*/
+
+int
+main(int argc, char *argv[])
+{
+	int v[1];
+	int (*p)[];
+	int (*f1)(int ,char *[]);
+	int (*f2)(int ,char *[]);
+
+	v[0] = 0;
+	p = &v;
+	f1 = &main;
+	f2 = main;
+	if (argc == 0)
+		return 1;
+	if ((****main)(0, 0))
+		return 2;
+	if ((****f1)(0, 0))
+		return 3;
+	if ((****f2)(0, 0))
+		return 4;
+	if (!(*p)[0])
+		return 0;
+
+	return (*++p)[0] || p[1][0];
+}