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re PR c/7741 (ICE on conflicting types (make_decl_rtl at varasm.c:834))

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PR c/7741
	* c-decl.c (duplicate_decls): Discard the initializer of the
	new decl when the types are conflicting.

Co-Authored-By: Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>

From-SVN: r62631
This commit is contained in:
Eric Botcazou 2003-02-10 13:45:54 +01:00 committed by Eric Botcazou
parent ac5e69da56
commit ecf92f8227
4 changed files with 28 additions and 0 deletions

7
gcc/ChangeLog

@ -1,3 +1,10 @@
2003-02-10 Eric Botcazou <ebotcazou@libertysurf.fr>
Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
PR c/7741
* c-decl.c (duplicate_decls): Discard the initializer of the
new decl when the types are conflicting.
2003-02-10 Josef Zlomek <zlomekj@suse.cz>
* Makefile.in (sreal.o): Added.

6
gcc/c-decl.c

@ -1140,6 +1140,12 @@ duplicate_decls (newdecl, olddecl, different_binding_level)
}
}
error_with_decl (olddecl, "previous declaration of `%s'");
/* This is safer because the initializer might contain references
to variables that were declared between olddecl and newdecl. This
will make the initializer invalid for olddecl in case it gets
assigned to olddecl below. */
DECL_INITIAL (newdecl) = 0;
}
/* TLS cannot follow non-TLS declaration. */
else if (TREE_CODE (olddecl) == VAR_DECL && TREE_CODE (newdecl) == VAR_DECL

5
gcc/testsuite/ChangeLog

@ -1,3 +1,8 @@
2003-02-10 Eric Botcazou <ebotcazou@libertysurf.fr>
Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
* gcc.dg/decl-2.c: New test.
Mon Feb 10 11:41:20 CET 2003 Jan Hubicka <jh@suse.cz>
* gcc.dg/i386-fpcvt-1.c: New test.

10
gcc/testsuite/gcc.dg/decl-2.c Normal file

@ -0,0 +1,10 @@
/* PR c/7411 */
/* Contributed by Christian Ehrhardt */
/* { dg-do compile } */
void foo(void)
{
char c; /* { dg-error "previous declaration" } */
int i;
int c = i; /* { dg-error "conflicting types" } */
}