gcc/gcc ChangeLog c-decl.c c-tree.h c-typeck.c ...

[jason@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	jason@gcc.gnu.org	2002-02-06 12:40:18

Modified files:
	gcc            : ChangeLog c-decl.c c-tree.h c-typeck.c 
	gcc/testsuite/gcc.dg: 20011029-2.c 980816-1.c 990117-1.c 
	                      990213-2.c 990214-1.c 990524-1.c 
	                      991214-1.c asm-2.c asm-3.c attr-invalid.c 
	                      attr-noinline.c deprecated.c 
	                      struct-ret-2.c 
	gcc/testsuite/gcc.misc-tests: bprob-1.c gcov-4.c gcov-4b.c 

Log message:
	* c-decl.c (finish_function): Warn about a non-void function with
	no return statement and no abnormal exit.
	(current_function_returns_abnormally): New variable.
	(start_function): Clear it.
	(struct c_language_function): Add returns_abnormally.
	(push_c_function_context): Save it.
	(pop_c_function_context): Restore it.
	(builtin_function): Set TREE_THIS_VOLATILE on return fns.
	(grokdeclarator): Set C_FUNCTION_IMPLICIT_INT on functions without
	an explicit return type.
	* c-tree.h: Declare current_function_returns_abnormally.
	(C_FUNCTION_IMPLICIT_INT): New macro.
	* c-typeck.c (build_function_call): Set it.
	(c_expand_return): Set current_function_returns_value even if the
	value is erroneous.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.12957&r2=1.12958
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-decl.c.diff?cvsroot=gcc&r1=1.295&r2=1.296
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-tree.h.diff?cvsroot=gcc&r1=1.80&r2=1.81
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-typeck.c.diff?cvsroot=gcc&r1=1.174&r2=1.175
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/20011029-2.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/980816-1.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/990117-1.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/990213-2.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/990214-1.c.diff?cvsroot=gcc&r1=1.3&r2=1.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/990524-1.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/991214-1.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/asm-2.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/asm-3.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/attr-invalid.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/attr-noinline.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/deprecated.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/struct-ret-2.c.diff?cvsroot=gcc&r1=1.2&r2=1.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.misc-tests/bprob-1.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.misc-tests/gcov-4.c.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.misc-tests/gcov-4b.c.diff?cvsroot=gcc&r1=1.1&r2=1.2