[PATCH, PR d/90445] Committed fix for ICE in d_build_c_type_nodes, at d/d-builtins.cc:783

[Iain Buclaw <ibuclaw at gdcproject dot org>]

Hi,

This patch fixes another ICE in the D front-end that occurred on
targets where SIZE_TYPE was unhandled by d_build_c_type_nodes.

Now signed_type_for() is used to set signed_size_type_node, and
(u)intmax_type_node is determined by UINTMAX_TYPE.

Bootstrapped and regression tested the D testsuite on
x86_64-linux-gnu, with further checking done on cross-compiler targets
mips64vr-elf, msp430-elf, pdp11-aout, and visium-elf to verify the ICE
no longer persists.

Committed to trunk as r274766.

--
Iain
---
gcc/d/ChangeLog:

        PR d/90445
        * d-builtins.cc (d_build_c_type_nodes): Test UINTMAX_TYPE for setting
        uintmax_type_node.  Set signed_size_type_node as the signed_type_for
        size_type_node.
---

diff --git a/gcc/d/d-builtins.cc b/gcc/d/d-builtins.cc
index 845f6a3d586..c90fc9051d9 100644
--- a/gcc/d/d-builtins.cc
+++ b/gcc/d/d-builtins.cc
@@ -762,27 +762,25 @@ d_build_c_type_nodes (void)
     = build_pointer_type (build_qualified_type (char_type_node,
 						TYPE_QUAL_CONST));
 
-  if (strcmp (SIZE_TYPE, "unsigned int") == 0)
+  if (strcmp (UINTMAX_TYPE, "unsigned int") == 0)
     {
       intmax_type_node = integer_type_node;
       uintmax_type_node = unsigned_type_node;
-      signed_size_type_node = integer_type_node;
     }
-  else if (strcmp (SIZE_TYPE, "long unsigned int") == 0)
+  else if (strcmp (UINTMAX_TYPE, "long unsigned int") == 0)
     {
       intmax_type_node = long_integer_type_node;
       uintmax_type_node = long_unsigned_type_node;
-      signed_size_type_node = long_integer_type_node;
     }
-  else if (strcmp (SIZE_TYPE, "long long unsigned int") == 0)
+  else if (strcmp (UINTMAX_TYPE, "long long unsigned int") == 0)
     {
       intmax_type_node = long_long_integer_type_node;
       uintmax_type_node = long_long_unsigned_type_node;
-      signed_size_type_node = long_long_integer_type_node;
     }
   else
     gcc_unreachable ();
 
+  signed_size_type_node = signed_type_for (size_type_node);
   wint_type_node = unsigned_type_node;
   pid_type_node = integer_type_node;
 }