[PATCH] Fix -Werror=format-diag with RTL checking

[Martin Liška]

The patch disables -Wformat-diag for RTL checking diagnostics.
Patch can bootstrap on x86_64-linux-gnu and survives regression tests.

Ready to be installed?
Thanks,
Martin

        PR bootstrap/104135

gcc/ChangeLog:

        * emit-rtl.cc (make_insn_raw): Fix -Wformat-diag warnings.
        * rtl.cc: Partially disable -Wformat-diag for RTL checking
        error messages.
---
 gcc/emit-rtl.cc |  2 +-
 gcc/rtl.cc      | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/gcc/emit-rtl.cc b/gcc/emit-rtl.cc
index 3260ca8c3fa..a26bcb0fa2d 100644
--- a/gcc/emit-rtl.cc
+++ b/gcc/emit-rtl.cc
@@ -3997,7 +3997,7 @@ make_insn_raw (rtx pattern)
          || (GET_CODE (insn) == SET
              && SET_DEST (insn) == pc_rtx)))
     {
-      warning (0, "ICE: emit_insn used where emit_jump_insn needed:\n");
+      warning (0, "ICE: %<emit_insn%> used where %<emit_jump_insn%> needed:");
       debug_rtx (insn);
     }
 #endif
diff --git a/gcc/rtl.cc b/gcc/rtl.cc
index 02dd2554728..f3d85814014 100644
--- a/gcc/rtl.cc
+++ b/gcc/rtl.cc
@@ -870,6 +870,12 @@ dump_rtx_statistics (void)
 }
 
 #if defined ENABLE_RTL_CHECKING && (GCC_VERSION >= 2007)
+
+#if __GNUC__ >= 10
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-diag"
+#endif
+
 void
 rtl_check_failed_bounds (const_rtx r, int n, const char *file, int line,
                         const char *func)
@@ -945,6 +951,10 @@ rtl_check_failed_code_mode (const_rtx r, enum rtx_code 
code, machine_mode mode,
                  func, trim_filename (file), line);
 }
 
+#if __GNUC__ >= 10
+#pragma GCC diagnostic pop
+#endif
+
 /* Report that line LINE of FILE tried to access the block symbol fields
    of a non-block symbol.  FUNC is the function that contains the line.  */
 
--
2.34.1