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| author | Steven Bosscher <steven@gcc.gnu.org> | 2006-09-17 13:14:53 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2006-09-17 13:14:53 +0000 |
| commit | 69723be2b39c9517ebe919b6f81b9b3b78d44b0a (patch) | |
| tree | db0c9c78d97e02a45d563a0b352ac781b1e79a92 /gcc/c-opts.c | |
| parent | 7a7d38044dabb00eee2089a951a2da5afe9d548e (diff) | |
| download | gcc-69723be2b39c9517ebe919b6f81b9b3b78d44b0a.zip gcc-69723be2b39c9517ebe919b6f81b9b3b78d44b0a.tar.gz gcc-69723be2b39c9517ebe919b6f81b9b3b78d44b0a.tar.bz2 | |
re PR c/25993 (-std= produces incorrect preprocessor output for .S)
gcc/
PR c/25993
* c-opts.c (c_common_handle_option): Ignore the -std options
if the input language is assembly.
testsuite/
PR c/25993
* gcc.dg/pr25993.c: New test.
From-SVN: r117005
Diffstat (limited to 'gcc/c-opts.c')
| -rw-r--r-- | gcc/c-opts.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/gcc/c-opts.c b/gcc/c-opts.c index 2937b79..5821dea 100644 --- a/gcc/c-opts.c +++ b/gcc/c-opts.c @@ -268,6 +268,10 @@ c_common_handle_option (size_t scode, const char *arg, int value) enum opt_code code = (enum opt_code) scode; int result = 1; + /* Prevent resetting the language standard to a C dialect when the driver + has already determined that we're looking at assembler input. */ + bool preprocessing_asm_p = (cpp_get_options (parse_in)->lang == CLK_ASM); + switch (code) { default: @@ -905,29 +909,34 @@ c_common_handle_option (size_t scode, const char *arg, int value) case OPT_std_c__98: case OPT_std_gnu__98: - set_std_cxx98 (code == OPT_std_c__98 /* ISO */); + if (!preprocessing_asm_p) + set_std_cxx98 (code == OPT_std_c__98 /* ISO */); break; case OPT_std_c89: case OPT_std_iso9899_1990: case OPT_std_iso9899_199409: - set_std_c89 (code == OPT_std_iso9899_199409 /* c94 */, true /* ISO */); + if (!preprocessing_asm_p) + set_std_c89 (code == OPT_std_iso9899_199409 /* c94 */, true /* ISO */); break; case OPT_std_gnu89: - set_std_c89 (false /* c94 */, false /* ISO */); + if (!preprocessing_asm_p) + set_std_c89 (false /* c94 */, false /* ISO */); break; case OPT_std_c99: case OPT_std_c9x: case OPT_std_iso9899_1999: case OPT_std_iso9899_199x: - set_std_c99 (true /* ISO */); + if (!preprocessing_asm_p) + set_std_c99 (true /* ISO */); break; case OPT_std_gnu99: case OPT_std_gnu9x: - set_std_c99 (false /* ISO */); + if (!preprocessing_asm_p) + set_std_c99 (false /* ISO */); break; case OPT_trigraphs: |