stor-layout.c (layout_type): Complain if an array's size can not be represented in a size_t.

        * stor-layout.c (layout_type): Complain if an array's size can
        not be represented in a size_t.

        * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.

Co-Authored-By: Jason Merrill <jason@redhat.com>

From-SVN: r45413

gcc/ChangeLog

+2001-09-05  Jeffrey A Law  (law@cygnus.com)
+	    Jason Merrill (jason@redhat.com)
+
+	* stor-layout.c (layout_type): Complain if an array's size can
+	not be represented in a size_t.
+
+	* config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
+
 2001-09-05  David Billinghurst <David.Billinghurst@riotinto.com>
 
 	* gcc.c: (process_command) Add parentheses around assignment 

gcc/config/h8300/elf.h

@@ -24,6 +24,17 @@
 
 #include "elfos.h"
 
+
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC "crtend.o%s %{pg:gcrtn.o%s}%{!pg:crtn.o%s}"
+
+#undef	STARTFILE_SPEC
+#define STARTFILE_SPEC "%{!shared: \
+			 %{!symbolic: \
+			  %{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}\
+			%{pg:gcrti.o%s}%{!pg:crti.o%s} \
+			crtbegin.o%s"
+
 /* Output at beginning/end of assembler file.  */
 #undef ASM_FILE_START
 #define ASM_FILE_START(FILE)                            \

gcc/stor-layout.c

@@ -1442,6 +1442,19 @@ layout_type (type)
 	    if (TYPE_SIZE_UNIT (element) != 0 && ! integer_onep (element_size))
 	      TYPE_SIZE_UNIT (type)
 		= size_binop (MULT_EXPR, TYPE_SIZE_UNIT (element), length);
+
+	    /* Complain if the user has requested an array too large to
+	       fit in size_t.  */
+	    if (TREE_CODE (TYPE_SIZE (type)) == INTEGER_CST
+		&& TREE_OVERFLOW (TYPE_SIZE (type)))
+	      {
+		error ("requested array too large for target");
+
+		/* Avoid crashing later.  */
+		TYPE_SIZE (type) = element_size;
+		if (TYPE_SIZE_UNIT (type))
+		  TYPE_SIZE_UNIT (type) = TYPE_SIZE_UNIT (element);
+	      }
 	  }
 
 	/* Now round the alignment and size,