This recent change triggered various bootsteap-errors, mostly on
x86 targets because line info advance address entries were output
in the wrong section table.
The switch to the wrong line table happened in dwarfout_set_ignored_loc.
It must use the same section as the earlier called
dwarf2out_switch_text_section.

But also ft32-elf was affected, because the assembler choked on
something simple as ".2byte .LM2-.LM1", but fortunately it is
able to use native location views, the configure test was just
not executed because the ft32 "nop" instruction was missing.

gcc/ChangeLog:

        PR debug/116470
        * configure.ac: Add the "nop" instruction for cpu type ft32.
        * configure: Regenerate.
        * dwarf2out.cc (dwarf2out_set_ignored_loc): Use the correct
        line info section.
---
 gcc/configure    | 2 +-
 gcc/configure.ac | 2 +-
 gcc/dwarf2out.cc | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/configure b/gcc/configure
index 557ea5fa3ac..3d301b6ecd3 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -31398,7 +31398,7 @@ esac
 case "$cpu_type" in
   aarch64 | alpha | arc | arm | avr | bfin | cris | csky | i386 | loongarch | 
m32c \
   | m68k | microblaze | mips | nds32 | nios2 | pa | riscv | rs6000 | score | 
sparc \
-  | visium | xstormy16 | xtensa)
+  | visium | xstormy16 | xtensa | ft32)
     insn="nop"
     ;;
   ia64 | s390)
diff --git a/gcc/configure.ac b/gcc/configure.ac
index eaa01d0d7e5..8a2d2b0438e 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -5610,7 +5610,7 @@ esac
 case "$cpu_type" in
   aarch64 | alpha | arc | arm | avr | bfin | cris | csky | i386 | loongarch | 
m32c \
   | m68k | microblaze | mips | nds32 | nios2 | pa | riscv | rs6000 | score | 
sparc \
-  | visium | xstormy16 | xtensa)
+  | visium | xstormy16 | xtensa | ft32)
     insn="nop"
     ;;
   ia64 | s390)
diff --git a/gcc/dwarf2out.cc b/gcc/dwarf2out.cc
index a26a07e3424..1187d32352b 100644
--- a/gcc/dwarf2out.cc
+++ b/gcc/dwarf2out.cc
@@ -28976,7 +28976,7 @@ dwarf2out_set_ignored_loc (unsigned int line, unsigned 
int column,
   dw_fde_ref fde = cfun->fde;
 
   fde->ignored_debug = false;
-  set_cur_line_info_table (function_section (fde->decl));
+  set_cur_line_info_table (current_function_section ());
 
   dwarf2out_source_line (line, column, filename, 0, true);
 }
-- 
2.39.2

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