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expr.c (eval_token): Append "evaluates to 0" to Wundef diagnostic. 

2016-08-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

libcpp/
	* expr.c (eval_token): Append "evaluates to 0" to Wundef diagnostic.

testsuite/
	* gcc.dg/cpp/warn-undef.c: Append "evaluates to 0" to dg-error.
	* gcc.dg/cpp/warn-undef-2.c: Likewise.

From-SVN: r239609
This commit is contained in:
Prathamesh Kulkarni 2016-08-19 13:17:09 +00:00 committed by Prathamesh Kulkarni
parent 1f4ed04ed8
commit fcf830abf7
5 changed files with 12 additions and 3 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2016-08-19 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
* gcc.dg/cpp/warn-undef.c: Append "evaluates to 0" to dg-error.
* gcc.dg/cpp/warn-undef-2.c: Likewise.
2016-08-19 Richard Biener <rguenther@suse.de>
PR tree-optimization/77286

2
gcc/testsuite/gcc.dg/cpp/warn-undef-2.c
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@ -1,5 +1,5 @@
// { dg-do preprocess }
// { dg-options "-std=gnu99 -fdiagnostics-show-option -Werror=undef" }
/* { dg-message "some warnings being treated as errors" "" {target "*-*-*"} 0 } */
#if x // { dg-error "\"x\" is not defined .-Werror=undef." }
#if x // { dg-error "\"x\" is not defined, evaluates to 0 .-Werror=undef." }
#endif

2
gcc/testsuite/gcc.dg/cpp/warn-undef.c
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@ -1,5 +1,5 @@
// { dg-do preprocess }
// { dg-options "-std=gnu99 -fdiagnostics-show-option -Wundef" }
#if x // { dg-warning "\"x\" is not defined .-Wundef." }
#if x // { dg-warning "\"x\" is not defined, evaluates to 0 .-Wundef." }
#endif

4
libcpp/ChangeLog
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@ -1,3 +1,7 @@
2016-08-19 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
* expr.c (eval_token): Append "evaluates to 0" to Wundef diagnostic.
2016-08-18 David Malcolm <dmalcolm@redhat.com>
* directives.c (directive_names): New array.

2
libcpp/expr.c
View File

@ -1073,7 +1073,7 @@ eval_token (cpp_reader *pfile, const cpp_token *token,
result.low = 0;
if (CPP_OPTION (pfile, warn_undef) && !pfile->state.skip_eval)
cpp_warning_with_line (pfile, CPP_W_UNDEF, virtual_location, 0,
"\"%s\" is not defined",
"\"%s\" is not defined, evaluates to 0",
NODE_NAME (token->val.node.node));
}
break;