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re PR preprocessor/37215 (ICE on 'gcc -E -dM -fpreprocessed - < /dev/null') 

PR preprocessor/37215
        * c-ppoutput.c (preprocess_file): Check for nonempty buffer.

From-SVN: r189016
This commit is contained in:
Kai Tietz 2012-06-27 16:03:08 +02:00 committed by Kai Tietz
parent 4b3650e36c
commit 6f3a2e2390
2 changed files with 6 additions and 1 deletions
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5
gcc/c-family/ChangeLog
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@ -1,3 +1,8 @@
2012-06-27 Kai Tietz <ktietz@redhat.com>
PR preprocessor/37215
* c-ppoutput.c (preprocess_file): Check for nonempty buffer.
2012-06-21 Steven Bosscher <steven@gcc.gnu.org>
* c-common.h (c_common_print_pch_checksum): Remove.

2
gcc/c-family/c-ppoutput.c
View File

@ -86,7 +86,7 @@ preprocess_file (cpp_reader *pfile)
{
/* A successful cpp_read_main_file guarantees that we can call
cpp_scan_nooutput or cpp_get_token next. */
if (flag_no_output)
if (flag_no_output && pfile->buffer)
{
/* Scan -included buffers, then the main file. */
while (pfile->buffer->prev)