Check that we don't set the output section index twice.

diff --git a/gold/output.cc b/gold/output.cc
index acba77c..64aa4dc 100644 (file)
--- a/gold/output.cc
+++ b/gold/output.cc
@@ -992,7 +992,7 @@ Output_section::Output_section(const char* name, elfcpp::Elf_Word type,
     info_(0),
     type_(type),
     flags_(flags),
-    out_shndx_(0),
+    out_shndx_(-1U),
     symtab_index_(0),
     dynsym_index_(0),
     input_sections_(),

diff --git a/gold/output.h b/gold/output.h
index a615a71..b6c1245 100644 (file)
--- a/gold/output.h
+++ b/gold/output.h
@@ -1183,12 +1183,18 @@ class Output_section : public Output_data
   // Return the section index in the output file.
   unsigned int
   do_out_shndx() const
-  { return this->out_shndx_; }
+  {
+    gold_assert(this->out_shndx_ != -1U);
+    return this->out_shndx_;
+  }
 
   // Set the output section index.
   void
   do_set_out_shndx(unsigned int shndx)
-  { this->out_shndx_ = shndx; }
+  {
+    gold_assert(this->out_shndx_ == -1U);
+    this->out_shndx_ = shndx;
+  }
 
   // Return the entsize field.
   uint64_t