Import gcc-9 (9.2.1-19)debian/9.2.1-19debian

1 files changed, 54 insertions, 0 deletions

diff --git a/debian/patches/gcc-lto-pick-compile-time-g.diff b/debian/patches/gcc-lto-pick-compile-time-g.diff
new file mode 100644
index 0000000..3cbf48e
--- /dev/null
+++ b/debian/patches/gcc-lto-pick-compile-time-g.diff
@@ -0,0 +1,54 @@
+# DP: Make LTO link pick up compile-time -g
+
+https://gcc.gnu.org/ml/gcc-patches/2019-09/msg00501.html
+
+2019-09-09  Richard Biener  <rguenther@suse.de>
+
+	* lto-opts.c (lto_write_options): Stream -g when debug is enabled.
+	* lto-wrapper.c (merge_and_complain): Pick up -g.
+	(append_compiler_options): Likewise.
+	(run_gcc): Re-instantiate handling -g0 at link-time.
+	* doc/invoke.texi (flto): Document debug info generation.
+
+--- a/src/gcc/lto-opts.c
++++ b/src/gcc/lto-opts.c
+@@ -94,6 +94,10 @@ lto_write_options (void)
+ 				      : "-fno-pie");
+     }
+ 
++  /* If debug info is enabled append -g.  */
++  if (debug_info_level > DINFO_LEVEL_NONE)
++    append_to_collect_gcc_options (&temporary_obstack, &first_p, "-g");
++
+   /* Append options from target hook and store them to offload_lto section.  */
+   if (lto_stream_offload_p)
+     {
+--- a/src/gcc/lto-wrapper.c
++++ b/src/gcc/lto-wrapper.c
+@@ -265,6 +265,7 @@ merge_and_complain (struct cl_decoded_op
+ 	case OPT_fshow_column:
+ 	case OPT_fcommon:
+ 	case OPT_fgnu_tm:
++	case OPT_g:
+ 	  /* Do what the old LTO code did - collect exactly one option
+ 	     setting per OPT code, we pick the first we encounter.
+ 	     ???  This doesn't make too much sense, but when it doesn't
+@@ -617,6 +618,7 @@ append_compiler_options (obstack *argv_o
+ 	case OPT_fopenacc:
+ 	case OPT_fopenacc_dim_:
+ 	case OPT_foffload_abi_:
++	case OPT_g:
+ 	case OPT_O:
+ 	case OPT_Ofast:
+ 	case OPT_Og:
+@@ -1399,6 +1401,10 @@ run_gcc (unsigned argc, char *argv[])
+ 	  linker_output_rel = !strcmp (option->arg, "rel");
+ 	  break;
+ 
++	case OPT_g:
++	  /* Recognize -g0.  */
++	  skip_debug = option->arg && !strcmp (option->arg, "0");
++	  break;
+ 
+ 	default:
+ 	  break;