2011-06-24 Doug Kwan <dougkwan@google.com>

* arm.cc (Arm_output_section::append_text_sections_to_list): Do not
	skip empty text sections.
	* testsuite/arm_exidx_test.s: Test handling of an empty text section.

gold/ChangeLog

@@ -1,3 +1,9 @@
+2011-06-24  Doug Kwan  <dougkwan@google.com>
+
+	* arm.cc (Arm_output_section::append_text_sections_to_list): Do not
+	skip empty text sections.
+	* testsuite/arm_exidx_test.s: Test handling of an empty text section.
+
 2011-06-22  Ian Lance Taylor  <iant@google.com>
 
 	PR gold/12910

gold/arm.cc

@@ -5803,8 +5803,7 @@ Arm_output_section<big_endian>::append_text_sections_to_list(
     {
       // We only care about plain or relaxed input sections.  We also
       // ignore any merged sections.
-      if ((p->is_input_section() || p->is_relaxed_input_section())
-	  && p->data_size() != 0)
+      if (p->is_input_section() || p->is_relaxed_input_section())
 	list->push_back(Text_section_list::value_type(p->relobj(),
 						      p->shndx()));
     }

gold/testsuite/arm_exidx_test.s

@@ -1,12 +1,25 @@
 	.syntax unified	
 	.arch	armv5te
-	.text
+	.section        .text.answer,"ax",%progbits
 	.align	2
 	.global	answer
 	.type	answer, %function
 answer:
 	.fnstart
+        .cantunwind
 	mov	r0, #42
 	bx	lr
 	.fnend
 	.size	answer, .-answer
+
+# Check that we can handle an empty .text section
+	.section        .text.empty,"ax",%progbits
+	.align	2
+        .global empty
+        .type   empty, %function
+empty:
+        .fnstart
+        .cantunwind
+        .fnend
+        .size   empty, .-empty
+