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* [binutils-gdb] dwarf2read: fix compilation issue with gcc 4.8
@ 2019-08-26 1:33 Simon Marchi
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From: Simon Marchi @ 2019-08-26 1:33 UTC (permalink / raw)
To: gdb-cvs
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=23c13d42999cdcf9d224f089891fd3f3c8bdc6aa
commit 23c13d42999cdcf9d224f089891fd3f3c8bdc6aa
Author: Simon Marchi <simon.marchi@efficios.com>
Date: Sun Aug 25 21:30:02 2019 -0400
dwarf2read: fix compilation issue with gcc 4.8
gcc 4.8 (and probably other versions too) doesn't like that the local
variable symbol_linkage has the same name as the enum class defined in
the same context:
CXX dwarf2read.o
/home/smarchi/src/binutils-gdb/gdb/dwarf2read.c: In member function âdwarf2_per_cu_data* dw2_debug_names_iterator::next()â:
/home/smarchi/src/binutils-gdb/gdb/dwarf2read.c:5850:22: error: âsymbol_linkageâ is not a class, namespace, or enumeration
} symbol_linkage = symbol_linkage::unknown;
^
Rename the local variable to avoid this.
This problem was originally reported with the Netbsd builder on the
buildbot, which uses gcc 5.5, I believe. I am not able to test it on
that builder right now, but chances are that the fix will work there
too.
gdb/ChangeLog:
* dwarf2read.c (dw2_debug_names_iterator::next): Rename local
variable symbol_linkage to symbol_linkage_.
Diff:
---
gdb/ChangeLog | 5 +++++
gdb/dwarf2read.c | 11 ++++++-----
2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5f64ca6..d4b1e53 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
2019-08-25 Simon Marchi <simon.marchi@efficios.com>
+ * dwarf2read.c (dw2_debug_names_iterator::next): Rename local
+ variable symbol_linkage to symbol_linkage_.
+
+2019-08-25 Simon Marchi <simon.marchi@efficios.com>
+
* dwarf2read.c (dw2_debug_names_iterator::next): Use enum to
represent whether the symbol is static, dynamic, or we don't
know.
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index a0b989f..af4af19 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -5847,7 +5847,7 @@ dw2_debug_names_iterator::next ()
unknown,
static_,
extern_,
- } symbol_linkage = symbol_linkage::unknown;
+ } symbol_linkage_ = symbol_linkage::unknown;
dwarf2_per_cu_data *per_cu = NULL;
for (const mapped_debug_names::index_val::attr &attr : indexval.attr_vec)
{
@@ -5899,12 +5899,12 @@ dw2_debug_names_iterator::next ()
case DW_IDX_GNU_internal:
if (!m_map.augmentation_is_gdb)
break;
- symbol_linkage = symbol_linkage::static_;
+ symbol_linkage_ = symbol_linkage::static_;
break;
case DW_IDX_GNU_external:
if (!m_map.augmentation_is_gdb)
break;
- symbol_linkage = symbol_linkage::extern_;
+ symbol_linkage_ = symbol_linkage::extern_;
break;
}
}
@@ -5914,10 +5914,11 @@ dw2_debug_names_iterator::next ()
goto again;
/* Check static vs global. */
- if (symbol_linkage != symbol_linkage::unknown && m_block_index.has_value ())
+ if (symbol_linkage_ != symbol_linkage::unknown && m_block_index.has_value ())
{
const bool want_static = *m_block_index == STATIC_BLOCK;
- const bool symbol_is_static = symbol_linkage == symbol_linkage::static_;
+ const bool symbol_is_static =
+ symbol_linkage_ == symbol_linkage::static_;
if (want_static != symbol_is_static)
goto again;
}
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2019-08-26 1:33 [binutils-gdb] dwarf2read: fix compilation issue with gcc 4.8 Simon Marchi
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