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Bug 1235717 - Enable clang's -Wunreachable-code warnings. r=glandium

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This commit is contained in:
Chris Peterson 2015-12-28 00:17:02 -07:00
parent de68dcb191
commit c9b006d167
2 changed files with 10 additions and 0 deletions
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6
configure.in
View File

@ -1459,6 +1459,7 @@ if test "$GNU_CC"; then
# -Wnon-literal-null-conversion - catches expressions used as a null pointer constant
# -Wsometimes-initialized - catches some uninitialized values
# -Wunreachable-code-aggressive - catches lots of dead code
#
# XXX: at the time of writing, the version of clang used on the OS X test
# machines has a bug that causes it to reject some valid files if both
@ -1471,6 +1472,7 @@ if test "$GNU_CC"; then
MOZ_C_SUPPORTS_WARNING(-Werror=, non-literal-null-conversion, ac_c_has_non_literal_null_conversion)
fi
MOZ_C_SUPPORTS_WARNING(-W, sometimes-uninitialized, ac_c_has_sometimes_uninitialized)
MOZ_C_SUPPORTS_WARNING(-W, unreachable-code-aggressive, ac_c_has_wunreachable_code_aggressive)
# -Wcast-align - catches problems with cast alignment
if test -z "$INTEL_CC" -a -z "$CLANG_CC"; then
@ -1543,6 +1545,8 @@ if test "$GNU_CXX"; then
# -Wnon-literal-null-conversion - catches expressions used as a null pointer constant
# -Wrange-loop-analysis - catches copies during range-based for loops.
# -Wsometimes-initialized - catches some uninitialized values
# -Wunreachable-code - catches some dead code
# -Wunreachable-code-return - catches dead code after return call
#
# XXX: at the time of writing, the version of clang used on the OS X test
# machines has a bug that causes it to reject some valid files if both
@ -1556,6 +1560,8 @@ if test "$GNU_CXX"; then
fi
MOZ_CXX_SUPPORTS_WARNING(-W, range-loop-analysis, ac_cxx_has_range_loop_analysis)
MOZ_CXX_SUPPORTS_WARNING(-W, sometimes-uninitialized, ac_cxx_has_sometimes_uninitialized)
MOZ_CXX_SUPPORTS_WARNING(-W, unreachable-code, ac_cxx_has_wunreachable_code)
MOZ_CXX_SUPPORTS_WARNING(-W, unreachable-code-return, ac_cxx_has_wunreachable_code_return)
# -Wcast-align - catches problems with cast alignment
if test -z "$INTEL_CXX" -a -z "$CLANG_CXX"; then

4
js/src/configure.in
View File

@ -1202,6 +1202,7 @@ if test "$GNU_CC"; then
# -Wnon-literal-null-conversion - catches expressions used as a null pointer constant
# -Wsometimes-initialized - catches some uninitialized values
# -Wunreachable-code-aggressive - catches lots of dead code
#
# XXX: at the time of writing, the version of clang used on the OS X test
# machines has a bug that causes it to reject some valid files if both
@ -1214,6 +1215,7 @@ if test "$GNU_CC"; then
MOZ_C_SUPPORTS_WARNING(-Werror=, non-literal-null-conversion, ac_c_has_non_literal_null_conversion)
fi
MOZ_C_SUPPORTS_WARNING(-W, sometimes-uninitialized, ac_c_has_sometimes_uninitialized)
MOZ_C_SUPPORTS_WARNING(-W, unreachable-code-aggressive, ac_c_has_wunreachable_code_aggressive)
# -Wcast-align - catches problems with cast alignment
if test -z "$INTEL_CC" -a -z "$CLANG_CC"; then
@ -1282,6 +1284,7 @@ if test "$GNU_CXX"; then
# -Wnon-literal-null-conversion - catches expressions used as a null pointer constant
# -Wrange-loop-analysis - catches copies during range-based for loops.
# -Wsometimes-initialized - catches some uninitialized values
# -Wunreachable-code-aggressive - catches lots of dead code
#
# XXX: at the time of writing, the version of clang used on the OS X test
# machines has a bug that causes it to reject some valid files if both
@ -1297,6 +1300,7 @@ if test "$GNU_CXX"; then
fi
MOZ_CXX_SUPPORTS_WARNING(-W, range-loop-analysis, ac_cxx_has_range_loop_analysis)
MOZ_CXX_SUPPORTS_WARNING(-W, sometimes-uninitialized, ac_cxx_has_sometimes_uninitialized)
MOZ_CXX_SUPPORTS_WARNING(-W, unreachable-code-aggressive, ac_cxx_has_wunreachable_code_aggressive)
# -Wcast-align - catches problems with cast alignment
if test -z "$INTEL_CXX" -a -z "$CLANG_CXX"; then