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| author | Richard Biener <rguenther@suse.de> | 2017-08-23 12:11:03 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-08-23 12:11:03 +0000 |
| commit | 3767b2e4bebebeac612cc4c3210b43c31786a956 (patch) | |
| tree | d4c0fd318a7d0cff565706b1f9f95026d0f78052 /gcc | |
| parent | c37691e5cd4c354951282777502d3f23e191b977 (diff) | |
| download | gcc-3767b2e4bebebeac612cc4c3210b43c31786a956.zip gcc-3767b2e4bebebeac612cc4c3210b43c31786a956.tar.gz gcc-3767b2e4bebebeac612cc4c3210b43c31786a956.tar.bz2 | |
re PR lto/81940 (internal compiler error: in dwarf2out_abstract_function, at dwarf2out.c:21613)
2017-08-23 Richard Biener <rguenther@suse.de>
PR lto/81940
* dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
-g0 at compile-time.
* g++.dg/lto/pr81940_0.C: New testcase.
From-SVN: r251306
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/lto/pr81940_0.C | 5 |
4 files changed, 20 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 37be75b..4d221a2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-08-23 Richard Biener <rguenther@suse.de> + + PR lto/81940 + * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with + -g0 at compile-time. + 2017-08-23 Tamar Christina <tamar.christina@arm.com> PR middle-end/19706 diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 0c339bd..ba8d24b 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -21609,7 +21609,10 @@ dwarf2out_abstract_function (tree decl) return; old_die = lookup_decl_die (decl); - /* With early debug we always have an old DIE. */ + /* With early debug we always have an old DIE unless we are in LTO + and the user did not compile but only link with debug. */ + if (in_lto_p && ! old_die) + return; gcc_assert (old_die != NULL); if (get_AT (old_die, DW_AT_inline) || get_AT (old_die, DW_AT_abstract_origin)) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 487d94b..ff50edf 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-08-23 Richard Biener <rguenther@suse.de> + + PR lto/81940 + * g++.dg/lto/pr81940_0.C: New testcase. + 2017-08-23 Tamar Christina <tamar.christina@arm.com> PR middle-end/19706 diff --git a/gcc/testsuite/g++.dg/lto/pr81940_0.C b/gcc/testsuite/g++.dg/lto/pr81940_0.C new file mode 100644 index 0000000..4eba5fd --- /dev/null +++ b/gcc/testsuite/g++.dg/lto/pr81940_0.C @@ -0,0 +1,5 @@ +// { dg-lto-do link } +// { dg-lto-options { { -O -flto } } } +// { dg-extra-ld-options "-r -nostdlib -g" } + +int a, b = a; |