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| author | Jakub Jelinek <jakub@redhat.com> | 2020-12-01 09:41:16 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2020-12-01 09:41:16 +0100 |
| commit | a90606ab979762ce4630777c2fce5c921d0a2b96 (patch) | |
| tree | f2253e5c4373b240d056f2c7084d9877505ecb73 | |
| parent | 934a54180541d27139aecbd19e7f50cb73552c7c (diff) | |
| download | gcc-a90606ab979762ce4630777c2fce5c921d0a2b96.zip gcc-a90606ab979762ce4630777c2fce5c921d0a2b96.tar.gz gcc-a90606ab979762ce4630777c2fce5c921d0a2b96.tar.bz2 | |
c++, debug: Treat -std=c++20 -gdwarf-5 like C++14 rather than C++98
I have noticed that while we use DW_LANG_C_plus_plus_14 for -std=c++17 -gdwarf-5,
we use DW_LANG_C_plus_plus (aka C++98) for -std=c++20 -gdwarf-5. The
following patch makes those two match.
2020-12-01 Jakub Jelinek <jakub@redhat.com>
* dwarf2out.c (gen_compile_unit_die): Treat GNU C++20
like C++14 for -gdwarf-5.
* g++.dg/debug/dwarf2/lang-cpp17.C: New test.
* g++.dg/debug/dwarf2/lang-cpp20.C: New test.
| -rw-r--r-- | gcc/dwarf2out.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/debug/dwarf2/lang-cpp17.C | 7 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/debug/dwarf2/lang-cpp20.C | 7 |
3 files changed, 16 insertions, 1 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index bfe2d63..0a0a7ea 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -24646,7 +24646,8 @@ gen_compile_unit_die (const char *filename) language = DW_LANG_C_plus_plus_11; else if (strcmp (language_string, "GNU C++14") == 0) language = DW_LANG_C_plus_plus_14; - else if (strcmp (language_string, "GNU C++17") == 0) + else if (strcmp (language_string, "GNU C++17") == 0 + || strcmp (language_string, "GNU C++20") == 0) /* For now. */ language = DW_LANG_C_plus_plus_14; } diff --git a/gcc/testsuite/g++.dg/debug/dwarf2/lang-cpp17.C b/gcc/testsuite/g++.dg/debug/dwarf2/lang-cpp17.C new file mode 100644 index 0000000..460294c --- /dev/null +++ b/gcc/testsuite/g++.dg/debug/dwarf2/lang-cpp17.C @@ -0,0 +1,7 @@ +// { dg-do compile } +// { dg-options "-O -std=c++17 -gdwarf-5 -dA" } +// For -gdwarf-6 hopefully DW_LANG_C_plus_plus_17 +// DW_LANG_C_plus_plus_14 = 0x0021 +// { dg-final { scan-assembler "0x21\[^\n\r]* DW_AT_language" } } */ + +int version; diff --git a/gcc/testsuite/g++.dg/debug/dwarf2/lang-cpp20.C b/gcc/testsuite/g++.dg/debug/dwarf2/lang-cpp20.C new file mode 100644 index 0000000..abd7351 --- /dev/null +++ b/gcc/testsuite/g++.dg/debug/dwarf2/lang-cpp20.C @@ -0,0 +1,7 @@ +// { dg-do compile } +// { dg-options "-O -std=c++20 -gdwarf-5 -dA" } +// For -gdwarf-6 hopefully DW_LANG_C_plus_plus_20 +// DW_LANG_C_plus_plus_14 = 0x0021 +// { dg-final { scan-assembler "0x21\[^\n\r]* DW_AT_language" } } */ + +int version; |