[gcc r12-6759] Fix -Werror=format-diag with RTL checking

[Martin Liska <marxin@gcc.gnu.org>]

https://gcc.gnu.org/g:e744aa373d215d1e8b3f4102a71b26b385dababc

commit r12-6759-ge744aa373d215d1e8b3f4102a71b26b385dababc
Author: Martin Liska <mliska@suse.cz>
Date:   Thu Jan 20 09:28:42 2022 +0100

    Fix -Werror=format-diag with RTL checking
    
            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.

Diff:
---
 gcc/emit-rtl.cc |  2 +-
 gcc/rtl.cc      | 13 +++++++++++++
 2 files changed, 14 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..f17474bfee1 100644
--- a/gcc/rtl.cc
+++ b/gcc/rtl.cc
@@ -870,6 +870,15 @@ dump_rtx_statistics (void)
 }
 \f
 #if defined ENABLE_RTL_CHECKING && (GCC_VERSION >= 2007)
+
+/* Disable warnings about missing quoting in GCC diagnostics for
+   the internal_error calls.  Their format strings deliberately don't
+   follow GCC diagnostic conventions.  */
+#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 +954,10 @@ 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.  */