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* [binutils-gdb] [gdb/build] Fix gdb build with -fsanitize=thread and gcc 7
@ 2022-06-28 15:07 Tom de Vries
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From: Tom de Vries @ 2022-06-28 15:07 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9117c7b452ef76304f4394a97c887d0c4af439f5
commit 9117c7b452ef76304f4394a97c887d0c4af439f5
Author: Tom de Vries <tdevries@suse.de>
Date: Tue Jun 28 17:07:18 2022 +0200
[gdb/build] Fix gdb build with -fsanitize=thread and gcc 7
When building gdb with system gcc 7.5.0, I run into:
...
gdb/ia64-tdep.c: In function ‘int is_float_or_hfa_type_recurse(type*, type**)’:
gdb/ia64-tdep.c:3362:1: error: control reaches end of non-void function \
[-Werror=return-type]
...
This is due to PR gcc/81275 - "-fsanitize=thread produce incorrect
-Wreturn-type warning", which has been fixed in gcc-8.
Work around this by moving the default return outside the switch.
Tested on x86_64-linux.
Diff:
---
gdb/ia64-tdep.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gdb/ia64-tdep.c b/gdb/ia64-tdep.c
index 82456dc9c98..b94225b5e13 100644
--- a/gdb/ia64-tdep.c
+++ b/gdb/ia64-tdep.c
@@ -3356,9 +3356,10 @@ is_float_or_hfa_type_recurse (struct type *t, struct type **etp)
}
break;
default:
- return 0;
break;
}
+
+ return 0;
}
/* Determine if the given type is one of the floating point types or
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2022-06-28 15:07 [binutils-gdb] [gdb/build] Fix gdb build with -fsanitize=thread and gcc 7 Tom de Vries
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