From: Ian Lance Taylor <iant@golang.org>
Date: Fri, 14 Aug 2020 22:27:15 +0000 (-0700)
Subject: compiler: export thunks referenced by inline functions
X-Git-Tag: releases/gcc-10.3.0~1029
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1925bff7f21e5aaffb9a7fcf1356e67472d64b03;p=thirdparty%2Fgcc.git

compiler: export thunks referenced by inline functions

The test case is https://golang.org/cl/248637.

Fixes golang/go#40252

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/248638
---

diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index 64b13f410e08..e425f15285ea 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-2ad0970e9da95024110cd3244e9e21313af70a5f
+823c91088bc6ac606362fc34b2880ce0de1624ad
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index deac87448f33..8f59b18d47f6 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -1621,16 +1621,15 @@ Func_descriptor_expression::do_get_backend(Translate_context* context)
 	      || no->name().find("equal") != std::string::npos))
 	is_exported_runtime = true;
 
-      bool is_referenced_by_inline =
-	no->is_function() && no->func_value()->is_referenced_by_inline();
-
       bool is_hidden = ((no->is_function()
 			 && no->func_value()->enclosing() != NULL)
 			|| (Gogo::is_hidden_name(no->name())
-			    && !is_exported_runtime
-			    && !is_referenced_by_inline)
+			    && !is_exported_runtime)
 			|| Gogo::is_thunk(no));
 
+      if (no->is_function() && no->func_value()->is_referenced_by_inline())
+	is_hidden = false;
+
       bvar = context->backend()->immutable_struct(var_name, asm_name,
                                                   is_hidden, false,
 						  btype, bloc);
diff --git a/gcc/go/gofrontend/gogo.cc b/gcc/go/gofrontend/gogo.cc
index 212ef45a29c2..9d3d95309b21 100644
--- a/gcc/go/gofrontend/gogo.cc
+++ b/gcc/go/gofrontend/gogo.cc
@@ -3342,7 +3342,8 @@ class Create_function_descriptors : public Traverse
   Gogo* gogo_;
 };
 
-// Create a descriptor for every top-level exported function.
+// Create a descriptor for every top-level exported function and every
+// function referenced by an inline function.
 
 int
 Create_function_descriptors::function(Named_object* no)
@@ -3350,8 +3351,9 @@ Create_function_descriptors::function(Named_object* no)
   if (no->is_function()
       && no->func_value()->enclosing() == NULL
       && !no->func_value()->is_method()
-      && !Gogo::is_hidden_name(no->name())
-      && !Gogo::is_thunk(no))
+      && ((!Gogo::is_hidden_name(no->name())
+	   && !Gogo::is_thunk(no))
+	  || no->func_value()->is_referenced_by_inline()))
     no->func_value()->descriptor(this->gogo_, no);
 
   return TRAVERSE_CONTINUE;