diff options
| author | nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-09-16 20:13:07 +0000 |
|---|---|---|
| committer | nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-09-16 20:13:07 +0000 |
| commit | 045f0656692c557b58aa639fef96adc70ae1180d (patch) | |
| tree | 28595a498cea666dc9365125cb358fc6b2ed65e7 | |
| parent | 1cbd4e96fc496437c7d4eb0833ab151ce6d9e2bf (diff) | |
| download | ppe42-gcc-045f0656692c557b58aa639fef96adc70ae1180d.tar.gz ppe42-gcc-045f0656692c557b58aa639fef96adc70ae1180d.zip | |
.:
PR c++/7640
* c-semantics.c (genrtl_do_stmt): Cope with NULL cond.
testsuite:
* g++.dg/other/do1.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57212 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/c-semantics.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/other/do1.C | 12 |
4 files changed, 21 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index aafdefb730a..7aaf2c76cf2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2002-09-16 Nathan Sidwell <nathan@codesourcery.com> + + * c-semantics.c (genrtl_do_stmt): Cope with NULL cond. + 2002-09-16 Geoffrey Keating <geoffk@redhat.com> * config/rs6000/rs6000.c (build_mask64_2_operands): Suppress diff --git a/gcc/c-semantics.c b/gcc/c-semantics.c index 35cb559e6f8..a4d11f8e606 100644 --- a/gcc/c-semantics.c +++ b/gcc/c-semantics.c @@ -447,8 +447,9 @@ genrtl_do_stmt (t) /* Recognize the common special-case of do { ... } while (0) and do not emit the loop widgetry in this case. In particular this avoids cluttering the rtl with dummy loop notes, which can affect - alignment of adjacent labels. */ - if (integer_zerop (cond)) + alignment of adjacent labels. COND can be NULL due to parse + errors. */ + if (!cond || integer_zerop (cond)) { expand_start_null_loop (); expand_stmt (DO_BODY (t)); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 63b882ffbae..b2e49b01abc 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,7 @@ 2002-09-16 Nathan Sidwell <nathan@codesourcery.com> + * g++.dg/other/do1.C: New test. + * g++.dg/template/subst1.C: New test. 2002-09-16 Steve Ellcey <sje@cup.hp.com> diff --git a/gcc/testsuite/g++.dg/other/do1.C b/gcc/testsuite/g++.dg/other/do1.C new file mode 100644 index 00000000000..79e55c0cd51 --- /dev/null +++ b/gcc/testsuite/g++.dg/other/do1.C @@ -0,0 +1,12 @@ +// { dg-do compile } + +// Copyright (C) 2002 Free Software Foundation, Inc. +// Contributed by Nathan Sidwell 16 Sep 2002 <nathan@codesourcery.com> + +// PR 7640. ICE. + +void init () +{ + do { } while (0) + obj = 0; +} |
