The -funwind-tables and -fasynchronous-unwind-tables options are relevant
for the output pass, thus they need to be passed through by the lto
wrapper.
gcc/
* lto-wrapper.cc (merge_and_complain): Pass through
-funwind-tables and -fasynchronous-unwind-tables.
(append_compiler_options): Likewise.
---
gcc/lto-wrapper.cc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gcc/lto-wrapper.cc b/gcc/lto-wrapper.cc
index 11c4d1b38a4..627e8238606 100644
--- a/gcc/lto-wrapper.cc
+++ b/gcc/lto-wrapper.cc
@@ -314,6 +314,8 @@ merge_and_complain (vec<cl_decoded_option> &decoded_options,
case OPT_fshow_column:
case OPT_fcommon:
case OPT_fgnu_tm:
+ case OPT_funwind_tables:
+ case OPT_fasynchronous_unwind_tables:
case OPT_g:
/* Do what the old LTO code did - collect exactly one option
setting per OPT code, we pick the first we encounter.
@@ -737,6 +739,8 @@ append_compiler_options (obstack *argv_obstack,
vec<cl_decoded_option> opts)
case OPT_fopenacc_dim_:
case OPT_foffload_abi_:
case OPT_fcf_protection_:
+ case OPT_funwind_tables:
+ case OPT_fasynchronous_unwind_tables:
case OPT_g:
case OPT_O:
case OPT_Ofast:
--
2.39.1
--
Andreas Schwab, SUSE Labs, sch...@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
