Another new test.

From-SVN: r19588

gcc/testsuite/gcc.c-torture/compile/980506-1.c

+unsigned char	TIFFFax2DMode[20][256];
+unsigned char	TIFFFax2DNextState[20][256];
+unsigned char	TIFFFaxUncompAction[20][256];
+unsigned char	TIFFFaxUncompNextState[20][256];
+unsigned char	TIFFFax1DAction[230][256];
+unsigned char	TIFFFax1DNextState[230][256];
+
+typedef struct tableentry {
+    unsigned short length;
+    unsigned short code;
+    short       runlen;
+} tableentry;
+
+extern tableentry TIFFFaxWhiteCodes[];
+extern tableentry TIFFFaxBlackCodes[];
+
+static short sp_data, sp_bit;
+
+static unsigned char
+fetchByte (inbuf)
+
+unsigned char **inbuf;
+
+{
+    unsigned char byte = **inbuf;
+    (*inbuf)++;
+    return (byte);
+}
+
+static int
+decode_white_run (inbuf)
+
+unsigned char **inbuf;
+
+{
+    short state = sp_bit;
+    short action;
+    int runlen = 0;
+
+    for (;;)
+    {
+	if (sp_bit == 0)
+	{
+	nextbyte:
+	    sp_data = fetchByte (inbuf);
+	}
+
+	action = TIFFFax1DAction[state][sp_data];
+	state = TIFFFax1DNextState[state][sp_data];
+	if (action == 0 )
+	    goto nextbyte;
+	if (action == 1 )
+	    return (-1 );
+	if (action == 210 )
+	    return (-3 );
+	sp_bit = state;
+	action = (TIFFFaxWhiteCodes[ action - 2  ].runlen) ;
+	runlen += action;
+	if (action < 64)
+	    return (runlen);
+    }
+}
+