[Bug target/65572] ptrmem5.C:7:26: internal compiler error: in gimplify_expr, at gimplify.c:8629

[ktietz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65572

Kai Tietz <ktietz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW
                 CC|                            |ktietz at gcc dot gnu.org

--- Comment #2 from Kai Tietz <ktietz at gcc dot gnu.org> ---
Confirmed.

Backtrace is:

#0  internal_error (
    gmsgid=gmsgid@entry=0x1763f5e <lang_independent_params+3774> "in %s, at
%s:%
d") at ../../gcc/gcc/diagnostic.c:1217
#1  0x0125459f in fancy_abort (
    file=file@entry=0x14c6840 <tls_model_names+40> "../../gcc/gcc/gimplify.c",
l
ine=line@entry=8629,
    function=function@entry=0x14c8288 <gimplify_expr(tree_node**,
gimple_stateme
nt_base**, gimple_statement_base**, bool (*)(tree_node*), int)::__FUNCTION__>
"g
implify_expr") at ../../gcc/gcc/diagnostic.c:1291
#2  0x009fedcc in gimplify_expr (expr_p=expr_p@entry=0xffc90e68,
    pre_p=pre_p@entry=0xd60a7e8, post_p=0xd60a6d0, post_p@entry=0x0,
    gimple_test_f=gimple_test_f@entry=0x9f0be0 <is_gimple_stmt(tree)>,
    fallback=fallback@entry=0) at ../../gcc/gcc/gimplify.c:8629
#3  0x00a0149a in gimplify_stmt (stmt_p=0xffc90e68,
    seq_p=seq_p@entry=0xd60a7e8) at ../../gcc/gcc/gimplify.c:5514
#4  0x009fc559 in gimplify_cleanup_point_expr (pre_p=0xd60a89c,
    expr_p=0xffe75cf0) at ../../gcc/gcc/gimplify.c:5290
#5  gimplify_expr (expr_p=expr_p@entry=0xffe75cf0,
    pre_p=pre_p@entry=0xd60a89c, post_p=0xd60a7c0, post_p@entry=0x0,
    gimple_test_f=gimple_test_f@entry=0x9f0be0 <is_gimple_stmt(tree)>,
    fallback=fallback@entry=0) at ../../gcc/gcc/gimplify.c:8260
#6  0x00a0149a in gimplify_stmt (stmt_p=stmt_p@entry=0xffe75cf0,
    seq_p=seq_p@entry=0xd60a89c) at ../../gcc/gcc/gimplify.c:5514
#7  0x00a030af in gimplify_body (fndecl=fndecl@entry=0xffe75c80,

This is once again an issue related to -fms-extensions switch.  By turning this
option off, ICE disappears.

So suggested patch for the testcase (as again we are assuming here
-fno-ms-extensions):
Index: ptrmem5.C
===================================================================
--- ptrmem5.C   (Revision 221690)
+++ ptrmem5.C   (Arbeitskopie)
@@ -1,4 +1,5 @@
 // PR c++/15696
+// { dg-additional-options "-fno-ms-extensions" { target *-*-mingw* } }